Shiva Nejati Mehrdad Sabetzadeh Marsha Chechik Steve M. Easterbrook Pamela Zave 54-64 2007 conf/icse/2007 ICSE http://doi.ieeecomputersociety.org/10.1109/ICSE.2007.50 db/conf/icse/icse2007.html#NejatiSCEZ07