Sharon Johnson Jia Mao Eric Nickell Ian Smith Extreme Makeover: Bending the Rules to Reduce Risk Rewriting Complex Systems. 307-314 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2675&spage=307 2003 conf/xpu/2003 XP db/conf/xpu/xp2003.html#JohnsonMNS03