1. Software Development Magazine: Mar. 2000
Scott W. Ambler: How the UML Models Fit Together, (local)
Doug Rosenberg: UML Applied: Nine Tips to Incorporating UML into Your Project, (local)
Martin Fowler: Why use UML, (local)
2. What is UML and why should you use it by Sinan Si Alhir
3. UML tutorial by Robert C. Martin
Class diagrams
Sequence diagrams
Collaboration Diagrams
Finite State Machines
Complex Transitions
4. UML documentation of IBM/Rational Company
5. CERN based training material
UML Introduction (John Deacon)
Use of UML with LHC++ packages (LHC++ team & Bob Jones)
6. Software development magzine Feb. 2004
What's new in UML2 by Scott Ambler (local)