Ken Auer Ron Jeffries Jeff Canna Glen B. Alleman Lisa Crispin Janet Gregory Are Testers eXtinct? How Can Testers Contribute to XP Teams? 287 2002 conf/xpu/2002 XP/Agile Universe http://link.springer.de/link/service/series/0558/bibs/2418/24180287.htm db/conf/xpu/xpu2002.html#AuerJCACG02