Contains the keyword empirical study

Krüger J, Corr N, Schröter I, Leich T. Digging into the Eclipse Marketplace [Internet]. Open Source Systems: Towards Robust Practices 13th International Conference on Open Source Systems. Springer; 2017. pp. 60-65. https://link.springer.com/chapter/10.1007/978-3-319-57735-7_7
Zampetti F, Scalabrino S, Oliveto R, Canfora G, Di Penta M. How Open Source Projects use Static Code Analysis Tools in Continuous Integration Pipelines. 2017 IEEE/ACM 14th International Conference on Mining Software Repositories (MSR). 2017. pp. 334-344.
Rajanen M, Iivari N. Examining Usability Work and Culture in OSS. In: Damiani E, Frati F, Riehle D, Wasserman AI. Open Source Systems: Adoption and Impact [Internet]. Springer International Publishing; 2015. pp. 58-67. http://dx.doi.org/10.1007/978-3-319-17837-0_6
Brunet J, Murphy GC, Terra R, Figueiredo J, Serey D. Do Developers Discuss Design?. In Proceedings of the 11th Working Conference on Mining Software Repositories [Internet]. New York, NY, USA: ACM; 2014. pp. 340–343. http://doi.acm.org/10.1145/2597073.2597115PDF icon brunet.pdf (304.26 KB)
Ayala C, Cruzes DS, Franch X, Conradi R. Towards Improving OSS Products Selection – Matching Selectors and OSS Communities Perspectives. Open Source Systems: Grounding Research (OSS 2011). Springer; 2011. pp. 244-258.