Khaled El Emam Saïda Benlarbi Nishith Goel Walcélio L. Melo Hakim Lounis Shesh N. Rai The Optimal Class Size for Object-Oriented Software. 494-509 2002 28 IEEE Trans. Software Eng. 5 http://www.computer.org:80/tse/ts2002/e0494abs.htm db/journals/tse/tse28.html#EmamBGMLR02