References
Kent Beck, Extreme Programming, Proceedings of the Technology of Object-Oriented Languages and Systems conference in June 1999, Nancy, France, IEE, http://www.computer.org/proceedings/tools/0275/02750411abs.htm
Kent Beck, XP practices, eXtreme Programming Pros and Cons: What Questions Remain?, IEEE Computer Society Dynabook (September 2001), http://www.computer.org/SEweb/Dynabook/XPPracSdb.htm
Jawed Siddiqi, "An Exposition of XP But No Position on XP", eXtreme Programming Pros and Cons: What Questions Remain?, IEEE Computer Society Dynabook (September 2001), http://www.computer.org/SEweb/Dynabook/Index.htm
T. Scott Ankrum, What's Written Down?, eXtreme Programming Pros and Cons: What Questions Remain?, IEEE Computer Society Dynabook (September 2001), http://www.computer.org/SEweb/Dynabook/AnkrumComments.htm