Andrea Capiluppi Cornelia Boldyreff Karl Beecher Paul J. Adams Quality Factors and Coding Standards - a Comparison Between Open Source Forges. 89-103 2009 233 Electr. Notes Theor. Comput. Sci. http://dx.doi.org/10.1016/j.entcs.2009.02.063 db/journals/entcs/entcs233.html#CapiluppiBBA09