Two Evolution Indicators for FOSS Projects, Petrinja, Etiel, and Succi Giancarlo , IFIP Advances in Information and Communication Technology 378 (OSS 2012), 09/2012, Volume 378, p.216-232, (2012)

Studying the impact of social interactions on software quality, Bettenburg, Nicolas, and Hassan Ahmed E. , Empirical Software Engineering, (2012)

Describing the Software Forge Ecosystem, Squire, Megan, and Williams David , 45th Hawai'i International Conference on System Sciences, 01/2012, p.3416-3425, (2012)

Measuring the evolution of open source software systems with their communities, Wang, Yi, Guo Defeng, and Shi Huihui , SIGSOFT Softw. Eng. Notes, November, Volume 32, New York, NY, USA, (2007)

A Preliminary Analysis of Publicly Available FLOSS Measurements: Towards Discovering Maintainability Trends, Samoladas, Ioannis, Bibi Stamatia, Stamelos Ioannis, Sowe Sulayman K., and Deligiannis Ignatios , 2nd Workshop on Public Data about Software Development (WoPDaSD 2007), 2007, (2007)

On the Nonmaintainability of Open-Source Software, Schach, Stephen R., and Offutt Jeff , Proceedings of the 2nd ICSE Workshop on Open Source, (2002)

Code quality analysis in open source software development, Stamelos, Ioannis, Angelis Lefteris, Oikonomou Apostolos, and Bleris Georgios L. , Information Systems Journal, Volume 12, p.43–60, (2002)

Evaluating the Quality of Open Source Software, Spinellis, Diomidis, Gousios Georgios, Karakoidas Vassilios, Louridas Panagiotis, Adams Paul J., Samoladas Ioannis, and Stamelos Ioannis , Electronic Notes in Theoretical Computer Science, 03/2009, Volume 233, p.5–28, (2008)

Quality Factors and Coding Standards - a Comparison Between Open Source Forges, Capiluppi, Andrea, Boldyreff Cornelia, Beecher Karl, and Adams Paul J. , Electronic Notes in Theoretical Computer Science, Volume 233, p.89 - 103, (2009)

Mining large software compilations over time: another perspective of software evolution, Robles, Gregorio, Gonzalez-Barahona Jesus M., Michlmayr Martin, and Amor Juan Jose , Proceedings of the 2006 international workshop on Mining software repositories, New York, NY, USA, p.3–9, (2006)