Stéphane Ducasse Joachim Weisbrod Experiences in Object-Oriented Re-Engineering. 72-73 http://link.springer.de/link/service/series/0558/bibs/1543/15430072.htm 1998 conf/ecoopw/1998 ECOOP Workshops db/conf/ecoopw/ecoopw98.html#DucasseW98