1. Developing open source software: a community-based analysis of research;Feller,2006
2. Process models in software engineering;Scacchi,2002
3. W. Scacchi, C. Jensen, J. Noll, M. Elliott, Multi-modal modeling, analysis and validation of open source software requirements processes, in: Proceedings of the 1st International Conference on Open Source Systems, Genova, Italy, 2005.
4. W. Scacchi, Opportunities and challenges for modeling and simulating free/open source software processes, keynote Address presented at the 5th International Workshop on Software Process Simulation and Modeling, Edinburgh, Scotland, May 2004, October 2004.
5. Experiences in discovering, modeling, and reenacting open source software development processes;Jensen;Lecture Notes in Computer Science,2006