David Binkley Nicolas Gold Mark Harman Zheng Li Kiarash Mahdavi An empirical study of the relationship between the concepts expressed in source code and dependence. 2287-2298 2008 81 Journal of Systems and Software 12 http://dx.doi.org/10.1016/j.jss.2008.04.007 db/journals/jss/jss81.html#BinkleyGHLM08