Jutta Eckstein Hubert Baumeister Extreme Programming and Agile Processes in Software Engineering, 5th International Conference, XP 2004, Garmisch-Partenkirchen, Germany, June 6-10, 2004, Proceedings XP Lecture Notes in Computer Science 3092 Springer 2004 3-540-22137-9 db/conf/xpu/xp2004.html