Jari Vanhanen Jouni Jartti Tuomo Kähkönen Practical Experiences of Agility in the Telecom Industry. 279-287 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2675&spage=279 2003 conf/xpu/2003 XP db/conf/xpu/xp2003.html#VanhanenJK03