Peter Forbrig, Anke Dittmar. Software development and open user communities. In Constantine Stephanidis, editor, Universal Access In HCI: Towards an Information Society for All, Proceedings of HCI International 2001 (the 9th International Conference on Human-Computer Interaction), New Orleans, USA, August 5-10, 2001, Volume 3. pages 165-169, Lawrence Erlbaum, 2001.