Isabelle Borne Serge Demeyer Galal Hassan Galal Object-Oriented Architectural Evolution. 57-79 http://link.springer.de/link/service/series/0558/bibs/1743/17430057.htm 1999 conf/ecoopw/1999 ECOOP Workshops db/conf/ecoopw/ecoopw99.html#BorneDG99