Scientific publications
Önal, Başar (2010) Designing for/from the Future. Masters thesis, Konstfack College of Arts, Crafts, and Design.
Katzeff, Cecilia and Nyblom, Åsa and Öhman, Christina and Sjögren, Jan-Ulric and Andersson, Jonas (2009) CLOCKWISE – Smarta lösningar till stöd för energieffektiva beteenden Slutrapport för forskningsprojekt 24, CERBOF 2:2 Beteende, processer och styrmedel. Energimyndigheten.
Fallman, Daniel (2009) A different way of seeing: Albert Borgmann’s philosophy of technology and human–computer interaction. AI & Society . ISSN 0951-5666
Fallman, Daniel (2009) Mobility as involvement: on the role of involvement in the design of mobile support systems for industrial application. AI & Society . ISSN 0951-5666
Forssén, Jens and Kaczmarek, Tomasz and Alvarsson, Jesper and Lundén, Peter and Nilsson, Mats E. (2009) Auralization of traffic noise within the LISTEN project – preliminary results for passenger car pass-by. In: Euronoise 2009, 26-28 Oct 2009, Edinburgh, Scotland.
Nilsson, Mats E. and Rådsten-Ekman, Maria and Lundén, Peter and Becker, Peter (2009) Perceptual evaluation of a real time auralization tool. In: Euronoise 2009, 26-28 Oct 2009, Edinburgh, Scotland.
Lundén, Peter and Becker, Peter (2009) The Design of Tools for Auralization and Acoustic Simulation Targeted for Architects and City Planners. In: The 16th International Congress on Sound and Vibration (ICSV16), 5-9 July 2009, Krakow, Poland.
Bergström, J. and Mazé, Ramia and Redström, J. and Vallgårda, Anna (2009) Symbiots: conceptual interventions into energy systems. In: Nordic Design Research Conference, 30 Aug -1 Sept 2009, Oslo, Norway.
Fagerlönn, Johan and Alm, Håkan (2009) Auditory signs to support traffic awareness. In: Proceedings of ITS World Congress 2009, 21–25 Sept. 2009, Stockholm, Sweden.
Fagerlönn, Johan and Liljedahl, Mats (2009) Awesome sound design tool: a web based utility that invites end users into the audio design process. In: 15th International Conference on Auditory Display (ICAD2009), 18-22 May 2009 , Copenhagen, Denmark.
Gustafsson, Anton and Bång, Magnus and Katzeff, Cecilia (2009) Evaluation of a Pervasive Game for Domestic Energy Engagement Among Teenagers. Computers in Entertainment (CIE), 7 (4). ISSN 1544-3574
Koskinen, Ilpo and Binder, Thomas and Redström, Johan (2009) LAB, FIELD, GALLERY, AND BEYOND. Artifact, 2 (1). pp. 46-57.
Liljedahl, Mats and Fagerlönn, Johan (2009) Tapping into effective emotional reactions via a user driven audio design tool. In: Audio Mostly - A conference on interaction with sound, 2–3 Sept 2009, Glasgow, Scotland, UK.
Mazé, Ramia (2009) Critical form(ations): a case study. In: Communicating (by) Design, 15-17 April 2009, Brussels, Belgium.
Mazé, Ramia (2009) Critical of What? / Kritiska mot vad? In: Iaspis Forum on Design and Critical Practice – The Reader. Sternberg Press, Berlin, pp. 378-397. ISBN 978-1-933128-63-4
Mazé, Ramia and Redström, Johan (2009) DIFFICULT FORMS: Critical practices of design and research. Research Design Journal, 1 (1). pp. 28-39.
Redström, Johan (2009) Disruptions. In: (Re)Searching the Digital Bauhaus. Springer, London, pp. 191-217. ISBN 978-1-84800-349-1
Mazé, Ramia and Redström, Johan (2008) Switch! Energy ecologies in everyday life. International Journal of Design, 2 (3). pp. 55-70.
Liljedahl, Mats and Papworth, Nigel (2008) Beowulf field test paper. In: Audio Mostly - A conference on interaction with sound, 22-23 Oct 2008, Piteå, Sweden.
Mazé, Ramia (2008) Criticality meets sustainability: constructing critical practices in design research for sustainability. In: Changing the Change: Design, Visions, Proposals and Tools: Proceedings, 10-12 July 2008, Turin, Italy.
Marshall, Nigel and Daubney, Alison (2008) Developing reflective learning in a virtual world. In: ISME, International Society for Music Education, 28th World Conference, 20-25 July 2008, Bologna, Italy. (Unpublished)
Lundén, Peter (2008) Uni-Verse Acoustic Simulation System: interactive real-time room acoustic simulation in dynamic 3D environments. In: Acoustics'08, 29 June - 4 July 2008, Paris, France.
Denward, Marie (2008) Broadcast culture meets role-playing culture: consequences for audience participation in a cross-media production. In: International Association for Media & Communication Research, IAMCR, 26th Annual Research Conference, 20-25 July 2008, Stockholm University, Stockholm, Sweden. (Unpublished)
Denward, Marie and Waern, Annika (2008) Broadcast culture meets role-playing culture. In: Playground Worlds: Creating and Evaluating Experiences of Role-Playing Games. Ropecon ry (www.ropecon.fi/pw); The Book for Solmukohta, Finland, pp. 248-261.
Fagerlönn, Johan (2008) Ljud som informationsbärare. In: Transportforum, 25th Annual Nordic Conference for the Transport Sector , 9-10 Jan 2008, Linköping, Sweden.
Hallnäs, Lars and Redström, Johan (2008) Textile interaction design. The Nordic Textile Journal, 08 (1). ISSN 1404-2487
Redström, Johan (2008) RE:Definitions of use. Design Studies, 29 (4). pp. 410-423.
Redström, Johan (2008) Tangled interaction: on the expressiveness of tangible user interfaces. ACM Transactions on Computer-Human Interaction (TOCHI), 15 (4).
Bergström, Jenny (2007) This is the air we breathe ... In: Art of Research: Research Narratives, 27-29 Oct 2007, London, UK.
Ernevi, Anders and Palm, Samuel and Redström, Johan (2007) Erratic Appliances and Energy Awareness. Knowledge, Technology, and Policy, 20 (1). pp. 71-78. ISSN 0897-1986 (Print) 1874-6314 (Online)
Hummels, Caroline and Redström, Johan and Koskinen, Ilpo (2007) Design Research for Social Scientists: Reading Instructions for This Issue. Knowledge, Technology, and Policy, 20 (1). pp. 11-17. ISSN 0897-1986 (Print) 1874-6314 (Online)
Backlund, Sara and Gyllenswärd, Magnus and Gustafsson, Anton and Ilstedt Hjelm, Sara and Mazé, Ramia and Redström, Johan (2007) STATIC! The Aesthetics of Energy in Everyday Things. In: Design Research Society Wonderground International Conference 2006, 1-4 November 2006, Lisbon, Portugal.
Denward, Marie and Seversson, Pernilla (2007) Från konsumentkultur till deltagarkultur. In: Ung kultur: i ett föränderligt kulturlandskap. Sveriges Kommuner och Landsting, Stockholm, Sweden.
Fagerlönn, Johan (2007) Expressive Musical Warning Signals. In: ICAD 2007 - The 13th International Conference on Auditory Display, 26-29 June 2007, Montréal, Canada.
Fagerlönn, Johan (2007) "Informative auditory warning signals": a review of published material within the HCI and Auditory Display communities. In: Proceedings of the 39th Nordic Ergonomics Society Conference, 1-3 October 2007, Lysekil, Sweden.
Kajastila, Raine and Siltanen, Samuel and Lunden, Peter and Lokki, Tapio and Savioja, Lauri (2007) A distributed real-time virtual acoustic rendering system for dynamic geometries. In: 122th Audio Engineering Society Convention 2007, 5-8 May 2007, Vienna, Austria.
Mazé, Ramia (2007) Occupying Time: Design, Time, and the Form of Interaction. Axl Books, Stockholm, Sweden. ISBN 978-91-975901-8-1
Mazé, Ramia and Redström, Johan (2007) Difficult forms: critical practices of design and research. In: IASDR'07: International Association of Socities of Design Research 2007 - Emerging Trends in Design Research, 12-15 Nov 2007, The Hong Kong Polytechnic University, School of Design.
Papworth, Nigel and Liljedahl, Mats (2007) Designing Audio-based networked games to maximize player immersion. In: The 2nd International Conference on Internet Technologies and Applications (ITA 07), 4-7 September 2007, Wrexham, North Wales.
Papworth, Nigel and Liljedahl, Mats and Lindberg, Stefan (2007) Beowulf - An Audio Mostly Game. In: ACE 2007 - International Conference on Advances in Computer Entertainment, 13-15 June 2007, Saltzburg, Austria.
Papworth, Nigel and Liljedahl, Mats and Lindberg, Stefan (2007) Beowulf: A Game Experience Built On Sound Effects. In: ICAD 2007 - The 13th International Conference on Auditory Display, 26-29 June 2007, Montréal, Canada.
Papworth, Nigel and Liljedahl, Mats and Lindberg, Stefan (2007) Effective interactive design through quick and flexible prototyping. In: Audio Mostly 2007 - 2nd Conference on Interaction with Sound, September 27-28 2007, Ilmenau, Germany.
Redström, Johan (2007) Aesthetic Concerns. In: Pervasive Information Systems. M.E. Sharpe, Armonk,, New York. ISBN 0-7656-1689-0
Redström, Johan (2007) En experimenterande designforskning. In: Under ytan: en antologi om designforskning. Raster Förlag, Stockholm, Sweden. ISBN 9789187215797
Redström, Johan (2007) Left to our Own Devices. Artifact, 1 (1). pp. 26-28. ISSN 1749-3471 (electronic) 1749-3463 (paper)
Routarinne, Sara and Redström, Johan (2007) Domestication as Design Intervention. In: Design Inquiries - Second Nordic Design Research Conference, Nordes 2007, May 27th - May 30th 2007, Stockholm, Sweden.
Vallgårda, Anna and Redström, Johan (2007) Computational Composites. In: SIGCHI Conference on Human Factors in Computing Systems, April 28 - May 03, 2007, San Jose, California, USA.
Lefford, Nyssim (2006) Sound, Behavior and Space. In: Acoustic Navigation workshop, 21 April 2006, Kungliga Konsthögskolan, Stockholm.
Binder, Thomas and Redström, Johan (2006) Exemplary Design Research. In: Design Research Society Wonderground International Conference 2006, 1-4 Nov 2006, Lisbon, Portugal.
Fagerlönn, Johan and Lefford, Nyssim (2006) Music, Physicality and the Physiology of Listeners. In: Physicality 2006, 6-7 February 2006, Lancaster, UK.
Hallnäs, Lars and Redström, Johan (2006) Interaction Design: Foundations, Experiments. Textile Research Centre, Swedish School of Textiles, Unversity College of Borås and Interactive Institute, Borås, Sweden. ISBN 91-631-8554-7/978-91-631-8554-0
Laurier, E. and Mazé, Ramia and Lundin, J. (2006) Putting the dog back in the park: animal and human mind-in-action. Mind, Culture and Activity, 13 (1). ISSN 1074-9039
Liljedahl, Mats and Lindberg, Stefan (2006) DigiWall - an audio mostly game. In: ICAD 2006, 20-23 June 2006, London, UK.
Liljedahl, Mats and Lindberg, Stefan and Papworth, Nigel (2006) Digiwall: Breaking the Bounds of the Conventional Interface. In: GDC:06 Game Developers Conference, 20-24 March 2006, San Jose, California.
Nordlinder, Martin (2006) The Lair of Beowulf, a study of 3D positional sound in an audio mostly game. Masters thesis, Luleå University of Technology, Dept. Computer Science / Media Technology.
Redström, Johan (2006) Persuasive Design; Fringes and Foundations. In: First International Conference on Persuasive Technology for Human Well-Being, PERSUASIVE 2006, 18-19 May 2006, Eindhoven, The Netherlands.
Redström, Johan (2006) Towards user design? On the shift from object to user as the subject of design. Design Studies, 27 (2). pp. 123-139. ISSN 0142-694X
Wingstedt, Johnny and Brändström, Sture and Berg, Jan (2006) Young Adolescents' Usage of Narrative Functions of Media Music by Manipulation of Musical Expression. Psychology of Music . (Submitted)
Mazé, Ramia (2005) Joining tradition and innovation in design research projects. In: Joining Forces: International Conference on Design Research, 22-24 Sept 2005, University of Art and Design, Helsinki, Finland.
Jacobs, Margot and Löfgren, Ulrika and Mazé, Ramia (2005) Free energy: alternative designs for awareness and choice. In: Pride and Pre-Design, Spring Conference, 26-29 May 2005, Lisbon, Portugal.
Redström, Johan and Redström, M. and Mazé, Ramia, eds. (2005) IT+Textiles. Edita Publishing Oy, Helsinki, Finland. ISBN 951-826-793-6
Berg, Jan (2005) Evaluation of Perceived Spatial Audio Quality. In: The 9th World Multi-Conference on Systemics, Cybernetics and Informatics, 2005, Orlando, Florida, USA.
Berg, Jan (2005) Hearing Meaning in Machine Listening. In: Workshop at the 119th Audio Engineering Society Convention, 7-10 October 2005, New York, NY, USA.
Berg, Jan (2005) OPAQUE - a tool for the elicitation and grading of audioquality attributes. In: The 118th AES Convention, 28-31 May 2005, Barcelona, Spain.
Berg, Jan and Wingstedt, Johnny and Liljedahl, Mats and Lindberg, Stefan (2005) Perceived Properties of Parameterised Music for Interactive Applications. In: The 9th World Multi-Conference on Systemics, Cybernetics and Informatics, 10-13 July 2005, Orlando, Florida, USA.
Ernevi, Anders and Palm, Samuel and Redström, Johan (2005) Erratic Appliances and Energy Awareness. In: First Nordic Design Research Conference: In the Making, 29-31 May 2005, Copenhagen.
Fagerlönn, Johan (2005) BodyResT - A prototype using music responding to heart rate for stress reduction. Masters thesis, Luleå University of Technology, Dept. Computer Science / Media Technology.
Lefford, Nyssim (2005) Generation of Musical Patterns and Perceptions of Similarity. In: 5th Conference of Understanding and Creating Music, 27-30 November 2005, Caserta, Italy.
Lefford, Nyssim (2005) Investigating Composers' Perceptions and Style through Musical Composition Games. In: GA2005 - 8th Generative Art Conference, 15-17 December 2005, Milan, Italy.
Lefford, Nyssim (2005) The Structure, Perception and Generation of Musical Patterns. In: The 10th Rhythm Perception and Production Workshop, 2-6 July 2005, Alden Biesen, Belgium.
Lefford, Nyssim and Wingstedt, Johnny and Sjömark, Cecilia (2005) Context, Individuality and Music's Affect on Listeners. In: CONTEXT'05 - the Fifth International and Interdisciplinary Conference on Modelling and Using Context, 6-8 July 2005, Paris, France.
Liljedahl, Mats and Lindberg, Stefan and Berg, Jan (2005) Digiwall - an Interactive Climbing Wall. In: 2005 ACM SIGCHI International Conference on Advances in computer entertainment technology, 15-17 June 2005, Valencia, Spain.
Mazé, Ramia and Redström, Johan (2005) Form and the Computational Object. Digital Creativity, 16 (1). pp. 7-18. ISSN 1462-6268 (print) 1744-3806 (online)
Redström, Johan (2005) On Technology as Material in Design. Design Philosophy Papers, Year 2005 (Issue 2).
Sjömark, Cecilia (2005) Biofeedback Music. In: Hälsa, livsstil och teknologi, 1-3 June 2005, Luleå, Sweden.
Sjömark, Cecilia and Wingstedt, Johnny and Axelsson, Karin and Berg, Jan (2005) Musical Parameters for Promoting Relaxation And Stress-Reduction in Listeners. In: International Scientific Conference on Intelligence Ambience and Well-Being, 19-20 September 2005, Tampere, Finland.
Wingstedt, Johnny (2005) Film music: techniques and methods. In: Lecture at the Royal University of Technology (KTH), 28 September 2005, Stockholm, Sweden.
Wingstedt, Johnny (2005) Musikens berättande funktioner i film. In: Lecture at KTH, Inst. för Numerisk analys och datalogi (NADA), Stockholm.
Wingstedt, Johnny (2005) Narrative music: towards an understanding of musical narrative functions in multimedia. Licentiate thesis, Luleå University of Technology, School of Music Piteå.
Wingstedt, Johnny and Berg, Jan (2005) Relations between Selected Musical Parameters and Expressed Emotions – Extending the Potential of Computer Entertainment. In: 2005 ACM SIGCHI International Conference on Advances in computer entertainment technology, 15-17 June 2005, Valencia, Spain.
Wingstedt, Johnny and Berg, Jan and Liljedahl, Mats and Lindberg, Stefan (2005) REMUPP: an interface for evaluation of relations between musical parameters and perceived properties. In: 2005 ACM SIGCHI International Conference on advances in computer entertainment technology, 15-17 June 2005, Valencia, Spain.
Wingstedt, Johnny and Liljedahl, Mats and Lindberg, Stefan and Berg, Jan (2005) REMUPP - An Interactive Tool for Investigating Musical Properties and Relations. In: NIME05 - International Conference on New Interfaces for Musical Expression, 26-28 May 2005, Vancouver, Canada.
Holmquist, Lars Erik and Gellersen, Hans Werner and Kortuem, Gerd and Antifakos, Stavros and Michahelles, Florian and Schiele, Bernt and Beigl, Michael and Mazé, Ramia (2004) Building intelligent environments with smart-Its. IEEE Computer Graphics and Applications, 24 (1). ISSN 0272-1716
Berg, Jan (2004) Hur kan man mäta ljudkvalitet? In: Inbjuden som föreläsare till Uppsala Universitet, Uppsala, Sweden.
Berg, Jan (2004) Musikaliska parametrar. In: Inbjuden som föreläsare till Uppsala Universitet, Uppsala, Sweden.
Delsing, Katarina (2004) Research,and prototyping at The Interactive Institute. In: Premio Cenacolo Event, 15 November 2004, Milan, Italy.
Gottlieb, Halina and Henningsson, Paul (2004) Digitala medier för besökare på museer. Dramatiska institutet, 2004 (1). Enheten för konstnärligt utvecklingsarbete, Dramatiska Institutet, Stockholm, Sweden.
Gottlieb, Halina and Insulander, Eva and Simonsson, Helen (2004) Access in Mind - Enhancing the Relationship to Contemporary Art. In: ICHIM, 2004, Berlin.
Jacobs, M. and Mazé, Ramia (2004) Design-by-doing: workshops for designing interaction. In: Participatory Design Conference, 27-29 July 2004, Toronto, Canada.
Kapica, Radek (2004) Den interaktiva klätterväggen – utveckling av väggkontroll och grafisk editor. Masters thesis, Luleå University of Technology.
Lörstad, Henrik and d'Inverno, Mark and Eacott, John (2004) The Intelligent Street. In: First Mobile Music Workshop, 10-11 June 2004, Victoria Institute, Gothenburg, Sweden.
Lörstad, Henrik and d'Inverno, Mark and Eacott, John (2004) The Intelligent Street: Responsive Sound Environments for Social Interaction. In: ACM SIGCHI International Conference on Advances in Computer Entertainment Technology (ACE 2004), June 2004, National University of Singapore, Singapore.
Mazé, Ramia and Redström, J. (2004) Form and the computational object. In: Computers in Art and Design Education, 29 June -1 July 2004, Copenhagen, Denmark.
Söderberg, Jonas and Waern, Annika and Åkesson, Karl-Petter and Björk, Staffan and Falk, Jennica (2004) Enhanced reality live role playing. In: Workshop on Gaming Applications in Pervasive Computing Environments, Second International Conference on Pervasive Computing: Pervasive 2004, 21-23 Apr 2004, Vienna, Austria.
Wingstedt, Johnny (2004) Filmkompositörens arbetsmetoder. In: Inbjuden som föreläsare till Musikhögskolan i Piteå, Piteå, Sweden.
Wingstedt, Johnny (2004) Music, Technology & Research and Music, Technology & Learning. In: Swedish Prosperity and Technology, 2004, Palais des Beaux Arts in Brussels, Belgium.
Wingstedt, Johnny (2004) Musikens berättande funktioner i film. In: Inbjuden som föreläsare till Uppsala Universitet, Inst. för Psykologi, Uppsala, Sweden.
Wingstedt, Johnny (2004) Narrative functions of film music in a relational perspective. In: XXVI World Conference ISME 2004 : "SOUND WORLDS TO DISCOVER", 11-16 July 2004, Teneriffa, Spain.
Berg, Jan (2003) The Bolkesjø participant listening test. Execution of an on-site listening experiment and presentation of the results. In: The 21st Nordic Sound Symposium, 5 - 8 October 2003, Bolkesjø, Norway.
Berg, Jan (2003) Evaluation of perceived spatial quality of 5-channel microphone techniques by using selected spatial attributes. In: 22nd Tonmeistertagung - Verband Deutscher Tonmeister 2002, 22-25 Nov 2002, Hannover, Germany.
Berg, Jan (2003) Perceived Quality in Surround Sound Systems. In: The 21st Nordic Sound Symposium, 5 - 8 October 2003, Bolkesjø, Norway.
Berg, Jan and Rumsey, Francis (2003) Systematic evaluation of perceived spatial quality. In: AES 24th International Conference on Multichannel Audio, 26-28 June 2003, Banff, Alberta, Canada.
Gaye, L. and Mazé, Ramia (2003) Sonic City. In: International Festival of Music and Sound, 19-21 June 2003, London, UK.
Gaye, L. and Mazé, Ramia and Holmquist, L-E. (2003) Sonic City: the urban environment as a musical interface. In: Conference on New Interfaces for Musical Expression, 22-24 May 2003, Montreal, Canada.
Holmquist, L-E. and Mazé, Ramia and Ljungblad, S. (2003) Designing tomorrow's smart products - experience with the Smart-Its platform. In: Designing For User Experiences, 6-7 June 2003, San Francisco, California, USA.
Mazé, Ramia and Jacobs, M. (2003) Sonic City: prototyping a wearable experience. In: Seventh IEEE International Symposium on Wearable Computers, 21-23 Oct 2003, White Plains, NY, USA.
Mazé, Ramia and Jacobs, M. (2003) Underdogs and superheroes: designing for new players in public space. In: User aspects of ICTs conference, 3-6 Sept 2003, Helsinki, Finland.
Gaye, L. and Holmquist, L-E. and Mazé, Ramia (2002) Sonic City: merging urban walkabouts with electronic music making. In: User Interface Systems and Technology, 2-5 Nov 2002, Paris, France.
Hallnäs, Lars and Melin, Linda and Redström, Johan (2002) A Design Research Program for Textiles and Computational Technology. Nordic Textile Journal, 2002 (1). pp. 56-64.
Hallnäs, Lars and Melin, Linda and Redström, Johan (2002) Textile Displays; Using Textiles to Investigate Computational Technology as Design Material. In: NordiCHI, second Nordic conference on Human-computer interaction, 2002, Aarhus, Denmark.
Hallnäs, Lars and Redström, Johan (2002) Abstract information appliances: methodological exercises in conceptual design of computational things. In: DIS 2002: Symposium on Designing Interactive Systems , 2002, London, England.
Hallnäs, Lars and Redström, Johan (2002) From Use to Presence; On the Expressions and Aesthetics of Everyday Computational Things. ACM Transactions on Computer-Human Interaction (ToCHI), 9 (2).
Mazé, Ramia and Bueno, M. (2002) Mixers: a participatory approach to design prototyping. In: Designing Interactive Systems, 25-28 June 2002, London, UK.
Hallnäs, Lars and Redström, Johan (2001) Slow Technology: Designing for Reflection. Personal and Ubiquitous Computing, 5 (3). pp. 201-212.
Hallnäs, Lars and Jaksetic, Patricija and Ljungstrand, Peter and Redström, Johan and Skog, Tobias (2001) Expressions: Towards a Design Practice of Slow Technology. In: The Nineteenth IFIP TC.13 Conference on Human-Computer Interaction, 9-13 July 2001, Tokyo, Japan.
Redström, Johan (2001) Designing Everyday Computational Things. Doctoral thesis, Göteborg University.
Redström, Johan and Ljungstrand, Peter and Jaksetic, Patricija (2000) The ChatterBox: Using Text Manipulation in an Entertaining Information Display. In: GI 2000: Graphics Interface Proceedings, 2000, Montreal, Canada.
Redström, Johan and Skog, Tobias and Hallnäs, Lars (2000) Informative art: using amplified artworks as information displays. In: Proceedings of DARE 2000 on Designing Augmented Reality Environments, 2000, Elsinore, Denmark.
Fagerlönn, Johan and Liljedahl, Mats Designing a web-based tool that inform the audio design process. In: CMMR 2009 "Auditory Display" post-symposium proceedings. Springer Verlag.