Brooks' versus Linus' law: an empirical test of open source projects. - Charles M. Schweik; Robert C. English; Meelis Kitsing; Sandra Haire (DG.O, 2008)

Factors leading to success or abandonment of open source commons: an empirical analysis of Sourceforge.net projects. - Charles M. Schweik; Robert C. English; Sandra Haire (South Afr. Comput. J., 2009)