Tudor Dumitras Iulian Neamtiu Eli Tilevich Second ACM workshop on hot topics in software upgrades (HotSWUp 2009). 705-706 2009 OOPSLA Companion http://doi.acm.org/10.1145/1639950.1639974 conf/oopsla/2009c db/conf/oopsla/oopsla2009c.html#DumitrasNT09