Angela Lozano Michel Wermelinger Bashar Nuseibeh Evaluating the relation between changeability decay and the characteristics of clones and methods. 100-109 2008 ASE Workshops http://dx.doi.org/10.1109/ASEW.2008.4686327 conf/kbse/2008w db/conf/kbse/asew2008.html#LozanoWN08