Byung-Kyoo Kang James M. Bieman Design-Level Cohesion Measures: Derivation, Comparison, and Applications . 92-97 1996 conf/compsac/1996 COMPSAC http://doi.ieeecomputersociety.org/10.1109/CMPSAC.1996.542431 db/conf/compsac/compsac1996.html#KangB96