Easier Said than Done: An Empirical Investigation of Software Design and Quality in Open Source Software Development, Conley, Caryn A., and Sproull Lee , 2009 42nd Hawaii International Conference on System Sciences (HICSS 2009), Los Alamitos, CA, USA, p.1-10, (2009)

Evidences in the evolution of OS projects through Changelog Analyses, Capiluppi, Andrea , Proceedings of the 3rd ICSE Workshop on Open Source, p.19-24, (2003)

Identification of coordination requirements: Implications for the design of collaboration and awareness tools, Cataldo, Marcelo, Wagstrom Patrick A., Herbsleb J. D., and Carley Kathleen M. , Conference on Computer Support Collaborative Work, November, Banff, Alberta, Canada, (2006)