Raimondas Lencevicius Urs Hölzle Ambuj K. Singh Dynamic Query-Based Debugging. 135-160 http://link.springer.de/link/service/series/0558/bibs/1628/16280135.htm 1999 conf/ecoop/1999 ECOOP db/conf/ecoop/ecoop99.html#LenceviciusHS99