http://www.kittyhawkconsulting.com/id15.html
eXtreme Programming: An Overview
Extreme Programming Collection
http://www.ibm.com/developerworks/java/library/j-xp/
http://www.xprogramming.com/xpmag/whatisxp.htm
http://www.ibm.com/developerworks/views/java/libraryview.jsp?search_by=demystifying+extreme
Scrum Software Development for
Small Teams
AGILE DEVELOPMENT: LESSONS LEARNED FROM THE FIRST SCRUM
http://www.dau.mil/educdept/mm_dept_resources/navbar/lean/