M. Andreasen, H. Nielsen, S. Schrøder, and J. Stage, Usability in open source software development: opinions and practice, Information Technology and Control, vol.35, issue.3A, pp.303-315, 2006.

A. Ankolekar, J. Herbsleb, and K. Sycara, Addressing Challenges to Open Source Collaboration With the Semantic Web, The 3rd Workshop on Open Source Software Engineering, the 25th International Conference on Software Engineering, ICSE, 2003.

J. Anvik, L. Hiew, and G. Murphy, Who should fix this bug?, Proceeding of the 28th international conference on Software engineering , ICSE '06, pp.6-361, 2006.
DOI : 10.1145/1134285.1134336

P. Bach, Supporting the user experience in free/libre/open source software development, 2009.

P. Bach, R. Deline, and J. Carroll, Designers wanted, Proceedings of the 27th international conference on Human factors in computing systems, CHI 09, pp.985-994, 2009.
DOI : 10.1145/1518701.1518852

P. Bach, M. Twidale, and L. Seven, How Can the Crowd Help Design?, Penn State College of IST, 2007.

P. Bach and M. Twidale, Involving reflective users in design, Proceedings of the 28th international conference on Human factors in computing systems, CHI '10, pp.2037-2040, 2010.
DOI : 10.1145/1753326.1753636

C. Benson, M. Müller-prove, and J. Mzourek, Professional usability in open source projects, Extended abstracts of the 2004 conference on Human factors and computing systems , CHI '04, pp.1083-1087, 2004.
DOI : 10.1145/985921.985991

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.84.6892

N. Bettenburg, S. Just, A. Schrter, C. Weiss, R. Premraj et al., What makes a good bug report?, Proceedings of the 16th ACM SIGSOFT International Symposium on Foundations of software engineering, SIGSOFT '08/FSE-16, 2008.
DOI : 10.1145/1453101.1453146

H. Beyer and K. Holtzblatt, Contextual design, interactions, vol.6, issue.1, 1998.
DOI : 10.1145/291224.291229

M. Bødker, L. Nielsen, and R. Orngreen, Enabling User Centered Design Processes in Open Source Communities, Proceedings of the Human Computer Interaction International, PartI: Usability and Internationalization, pp.10-18, 2007.
DOI : 10.1007/978-3-540-73287-7_2

T. Bollinger, R. Nelson, K. Self, and S. Turnbull, Open Source Methods: Peering through the Clutter, IEEE Software, vol.16, issue.4, pp.8-11, 1999.

E. Carmel and R. Agarwal, Tactical approaches for alleviating distance in global software development, IEEE Software, vol.18, issue.2, pp.22-29, 2001.
DOI : 10.1109/52.914734

G. Cetin, D. Verzulli, and S. Frings, An Analysis of Involvement of HCI Experts in Distributed Software Development: Practical Issues, Proceedings of the Human Computer Interaction International: Online Communities and Social Computing, pp.32-40, 2007.
DOI : 10.1007/978-3-540-73257-0_4

G. Cheung, P. Chilana, S. Kane, and B. Pellett, Designing for discovery, Proceedings of the 27th international conference extended abstracts on Human factors in computing systems, CHI EA '09, pp.4321-4326, 2009.
DOI : 10.1145/1520340.1520660

C. Cooper and J. Bowers, Representing the users: notes on the disciplinary rhetoric of human-computer interactionThe Social and Interactional Dimension of Human-Computer Interfaces, pp.48-66, 1995.

A. Cooper and R. Reimann, About Face 2.0: The essentials of interaction design, Information Visualization, vol.3, pp.223-225, 2004.

K. Crowston, H. Annabi, J. Howison, and C. Masango, Effective Work Practices for FLOSS Development: A Model and Propositions, Proceedings of the 38th Annual Hawaii International Conference on System Sciences, 2005.
DOI : 10.1109/HICSS.2005.222

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.224.4664

K. Crowston, J. Howison, D. Cubrani´ccubrani´c, and K. S. Booth, The social structure of free and open source software development Coordinating Open-Source Software Development, Proceedings of the 8th IEEE International Workshops Enabling Technologies: Infrastructure for Collaborative Enterprises, WET ICE '99, pp.61-65, 1127.

B. Curtis, H. Krasner, and N. Iscoe, A field study of the software design process for large systems, Communications of the ACM, vol.31, issue.11, pp.1268-1287, 1988.
DOI : 10.1145/50087.50089

L. Damodaran, User involvement in the systems design process-a practical guide for users, Behaviour & Information Technology, vol.15, issue.6, pp.363-77, 1996.
DOI : 10.1080/014492996120049

G. Fischer, Communities of Interest: Learning through the Interaction of Multiple Knowledge Systems, 24th Annual Information Systems Research Seminar In Scandinavia, IRIS'24, pp.1-14, 2001.

B. Fitzgerald and P. , The Mysteries of Open Source Software: Black and White and Red All Over?, Proceedings of the 38th Annual Hawaii International Conference on System Sciences, 2005.
DOI : 10.1109/HICSS.2005.609

K. Fogel, Beautiful Teams: Inspiring and Cautionary Tales from Veteran Team Leaders, chapter21, 2009.

. Free-software-foundation and . Inc, The Free Software Definition, 2008.

X. Ge, Y. Dong, and K. Huang, Shared Knowledge Construction in an Open- Source Software Development Community: An Investigation of the Gallery Community, Proceedings of the International Conference on Learning Sciences, pp.189-95, 2006.

C. Geisler and E. Rogers, Technological mediation for design collaboration, 18th Annual Conference on Computer Documentation. ipcc sigdoc 2000. Technology and Teamwork. Proceedings. IEEE Professional Communication Society International Professional Communication Conference and ACM Special Interest Group on Documentation Conferenc, 2000.
DOI : 10.1109/IPCC.2000.887297

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.24.2435

H. R. Hartson, J. C. Castillo, J. Kelso, N. , and W. C. , Remote evaluation, Proceedings of the SIGCHI conference on Human factors in computing systems common ground, CHI '96, pp.228-235, 1996.
DOI : 10.1145/238386.238511

H. Hedberg and N. Iivari, Integrating HCI Specialists into Open Source Software Development Projects.Open Source Ecosystems Diverse Communities Interacting, pp.251-263, 2009.
DOI : 10.1007/978-3-642-02032-2_22

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.687.9948

J. Howison, Studying Free Software with Free Software and Free methods, A paper for the Australian Open Source Development Conference 1-3, 2004.

N. Iivari, ???Representing the User??? in software development???a cultural analysis of usability work in the product development context, Interacting with Computers, vol.18, issue.4, pp.635-664, 2006.
DOI : 10.1016/j.intcom.2005.10.002

N. Iivari, ???Constructing the users??? in open source software development, Information Technology & People, vol.22, issue.2, pp.132-156, 2009.
DOI : 10.1057/ejis.1995.9

N. Iivari and T. Molin-juustila, ???Listening to the Voices of the Users??? in Product Based Software Development, International Journal of Technology and Human Interaction, vol.5, issue.3, pp.54-77, 2009.
DOI : 10.4018/978-1-60960-575-9.ch008

A. Ko and P. Chilana, How power users help and hinder open bug reporting, Proceedings of the 28th international conference on Human factors in computing systems, CHI '10, 2010.
DOI : 10.1145/1753326.1753576

A. Kittur and . R. Kraut, Harnessing the wisdom of crowds in wikipedia, Proceedings of the ACM 2008 conference on Computer supported cooperative work, CSCW '08, 2008.
DOI : 10.1145/1460563.1460572

K. Lakhani and E. Von-hippel, How open source software works: ???free??? user-to-user assistance, Research Policy, vol.32, issue.6, pp.923-966, 2003.
DOI : 10.1016/S0048-7333(02)00095-1

L. Lievrouw, Oppositional and activist new media, Proceedings of the ninth conference on Participatory design Expanding boundaries in design, PDC '06, pp.115-139, 2006.
DOI : 10.1145/1147261.1147279

J. Ljungberg, Open source movements as a model for organising, Proceedings of 8th European Conference on Information Systems, pp.208-216, 2000.
DOI : 10.1057/palgrave.ejis.3000373

B. Massey, Where Do Open Source Requirements Come From (And What Should We Do About It)?, Proceedings of the 2nd Workshop on Open Source Software Engineering, 2001.

D. Mayhew, The usability engineering lifecycle: a practitioner's handbook for user interface design, 1999.

A. Mockus, R. Fielding, and J. Herbsleb, A case study of open source software development, Proceedings of the 22nd international conference on Software engineering , ICSE '00, 2000.
DOI : 10.1145/337180.337209

S. Mcconnell, Software Engineering Principles, IEEE Software, vol.16, issue.2, pp.6-8, 1999.
DOI : 10.1109/MS.1999.754046

D. Nichols, D. Mckay, and M. Twidale, Participatory usability, Proceedings of the 4th Annual Conference of the ACM Special Interest Group on Computer-Human Interaction, CHINZ '03, pp.63-68, 2003.
DOI : 10.1145/2331829.2331841

D. Nichols and M. Twidale, The Usability of Open Source Software, First Monday, vol.8, issue.1, 2003.
DOI : 10.5210/fm.v8i1.1018

D. Nichols and M. Twidale, Usability processes in open source projects, Software Process Improvement and Practice, pp.149-62, 2006.
DOI : 10.5210/fm.v8i1.1018

M. Ogawa, K. Ma, C. Bird, P. Devanbu, and A. Gourley, Visualizing Social Interaction in Open Source Software Projects] Open Source Initiative, The Open Source Definition, Proceedings of Asia-Pacific Symposium on Visualization, APVIS, 2006.

C. N. Parkinson, Parkinson's law : or, the pursuit of progress / C, Northcote Parkinson J, 1957.

C. Paul, A Survey of Usability Practices in Free/Libre/Open Source Software, The Fifth International Conference on Open Source, pp.264-273, 2009.
DOI : 10.1109/HICSS.2005.266

E. Raymond, The Cathedral and the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary, 1999.

M. Rosson and J. Carrol, Usability Engineering: Scenario-Based Development of Human-Computer Interaction, 2002.

W. Scacchi, Understanding the requirements for developing open source software systems, IEE Proceedings -Software, pp.24-39, 2002.
DOI : 10.1049/ip-sen:20020202

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.117.5406

D. Schwartz and A. Gunn, Integrating user experience into free/libre open source software, Proceedings of the 27th international conference extended abstracts on Human factors in computing systems, CHI EA '09, pp.2739-2742, 2009.
DOI : 10.1145/1520340.1520395

V. Singh, M. B. Twidale, and D. M. Nichols, Users of Open Source Software -How Do They Get Help?, Proceedings of the 42nd Hawaii International Conference on System Sciences, HICSS '09, 2009.

I. Stamelos, L. Angelis, A. Oikonomou, and G. Bleris, Code quality analysis in open source software development, Information Systems Journal, vol.97, issue.1, pp.43-60, 2002.
DOI : 10.1109/52.744561

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.102.7392

M. Terry, M. Kay, and B. Lafreniere, Perceptions and practices of usability in the free/open source software (FoSS) community, Proceedings of the 28th international conference on Human factors in computing systems, CHI '10, pp.999-1008, 2010.
DOI : 10.1145/1753326.1753476

M. Twidale and D. Nichols, Exploring Usability Discussions in Open Source Development, Proceedings of the 38th Annual Hawaii International Conference on System Sciences, 2005.
DOI : 10.1109/HICSS.2005.266

URL : http://researchcommons.waikato.ac.nz/bitstream/10289/2875/1/exploring%20usability%20discussions%20in%20open%20source%20developmen.pdf

N. Viorres, P. Xenofon, M. Stavrakis, E. Vlanhogiannis, P. Koutsabasis et al., Major HCI Challenges for Open Source Software Adoption and Development, Proceedings of Human Computer Interaction International: Online Communities and Social Computing, pp.455-64, 2007.
DOI : 10.1007/978-3-540-73257-0_50

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.108.183

E. Von-hippel and G. Von-krogh, Open Source Software and the ???Private-Collective??? Innovation Model: Issues for Organization Science, Organization Science, vol.14, issue.2, pp.209-223, 2003.
DOI : 10.1287/orsc.14.2.209.14992

A. Wiggins, J. Howison, and K. Crowston, Social Dynamics of FLOSS Team Communication Across Channels, Proceedings of the IFIP 2.13 Working Conference on Open Source Software (OSS), pp.131-142, 2008.
DOI : 10.1007/978-0-387-09684-1_11

S. Williams, Free as in Freedom: Richard Stallman and the Free: Richard Stallmans Crusade for Free Software, p.596002874, 2002.

. G. Wilson, Is the open-source community setting a bad example?, IEEE Software, vol.16, issue.1, pp.23-25, 1999.
DOI : 10.1109/52.744561

Y. Yamauchi, M. Yokozawa, T. Shinohara, and T. Ishida, Collaboration with Lean Media, Proceedings of the 2000 ACM conference on Computer supported cooperative work , CSCW '00, pp.329-338, 2000.
DOI : 10.1145/358916.359004

K. Yatani, E. Chung, C. Jensen, and K. N. Truong, Understanding how and why open source contributors use diagrams in the development of Ubuntu, Proceedings of the 27th international conference on Human factors in computing systems, CHI 09, pp.995-1004, 2009.
DOI : 10.1145/1518701.1518853

Y. Ye and K. Kishida, Toward an understanding of the motivation of open source software developers, Proceedings of the 25th International Conference on Software Engineering (ICSE), pp.419-421, 2003.

L. Zhao and F. Deek, Improving open source software usability, Proceedings of the 11th Americas Conference on Information Systems, pp.11-14, 2005.
DOI : 10.4018/978-1-60960-513-1.ch013