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http://www.extremeprogramming.org/rules.html
2. Beck, K.: Extreme Programming Explained: Embrace Change. Addison-Wesley, New York (2000)
3. Beck, K., Fowler, M.: Planning Extreme Programming. Addison-Wesley, New York (2000)
4. Kruchten, P.: The Rational Unified Process: an Introduction, 3rd edn. Addison-Wesley, Reading (2003)
5. Object Management Group, UML Resource Page (2004), Website
http://www.omg.org/uml/