Angela Martin Steven Fraser Rachel Davies Mike Holcombe Rick Mugridge Duncan Pierce Tom Poppendieck Giancarlo Succi XP/Agile Education and Training. 263-266 2005 conf/xpu/2005 XP http://dx.doi.org/10.1007/11499053_42 db/conf/xpu/xp2005.html#MartinFDHMPPS05