Michel Dao Marianne Huchard Mohamed Rouane Hacene Cyril Roume Petko Valtchev Improving Generalization Level in UML Models Iterative Cross Generalization in Practice. 346-360 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3127&spage=346 2004 conf/iccs/2004 ICCS db/conf/iccs/iccs2004.html#DaoHHRV04