Identifying exogenous drivers and evolutionary stages in FLOSS projects. Journal of Systems and Software [Internet]. 2009;82:739 - 750. http://www.sciencedirect.com/science/article/B6V0N-4TVTJFS-1/2/e32ecee1bcb54bd4a5dff6d5e3daca8d .
Quality Factors and Coding Standards - a Comparison Between Open Source Forges. Electronic Notes in Theoretical Computer Science [Internet]. 2009;233:89 - 103. http://www.sciencedirect.com/science/article/B75H1-4VXDKRV-7/2/abcc2be2c4c3998e4bc9b53473ca2d81 .