Pete McBreen Dave Astels Janet Gregory Daniel H. Steinberg Lisa Crispin Jim Highsmith Robert C. Martin Is XP Still Relevant? 203 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3134&spage=203 2004 conf/xpu/2004xpu XP/Agile Universe db/conf/xpu/xpu2004.html#McBreenAGSCHM04