1. Bell, A.E.: Death by UML Fever. ACM Queue 2(1) (2004)
2. Bézivin, J.: Niçoise salad, Salade niçoise or Insalata nizzarda. http://modelseverywhere.wordpress.com/2010/11/12/bits-of-history/
3. Bézivin, J.: SPEM and UML Profiles. http://modelseverywhere.wordpress.com/2010/11/17/bits-of-history-spem-and-uml-profiles
4. Booch G.: Software Components with Ada. Benjamin/Cummings, Menlo Park (1987)
5. Booch G.: Object-Oriented Analysis and Design with Applications. Benjamin/Cummings, Redwood City (1994)