B. Vasilescu, A. Serebrenik, P. Devanbu, and V. Filkov. Proceedings of the 17th ACM Conference on Computer Supported Cooperative Work &\#38; Social Computing, page 342--354. New York, NY, USA, ACM, (2014)
C. Bird, D. Pattison, R. D'Souza, V. Filkov, and P. Devanbu. Proceedings of the 16th ACM SIGSOFT International Symposium on Foundations of software engineering, page 24--35. New York, NY, USA, ACM, (2008)