Weiping Zhang Norbert Ritter The Real Benefits of Object-Relational DB-Technology for Object-Oriented Software Development. 89-104 2001 conf/bncod/2001 BNCOD http://link.springer.de/link/service/series/0558/bibs/2097/20970089.htm db/conf/bncod/bncod2001.html#ZhangR01