Hajime Horiuchi Masaharu Obayashi Yoshihide Nagase A Framework for Reusing Business Objects by Multilevel Object Patterns. 609-610 2001 conf/er/2001 ER http://link.springer.de/link/service/series/0558/bibs/2224/22240609.htm db/conf/er/er2001.html#HoriuchiON01