Steven Fraser Rachel Reinitz Ken Auer Barry W. Boehm Ward Cunningham Robert Mee XP - Beyond Limitations? 288 2002 conf/xpu/2002 XP/Agile Universe http://dx.doi.org/10.1007/3-540-45672-4_51 db/conf/xpu/xpu2002.html#FraserRABCM02