Commentary

Some Software Enginnering tools that support UML:

Rational (Free Demo Period):

http://www.rational.com/ http://www.rational.com/products/rose/tryit/student.jtmpl

Argo/UML (FREE):

http://www.ics.uci.edu/pub/arch/uml/

A recent Britsh (Scottish) UML book:

Pooley, Rob and Stevens, Perdita: ``Using UML'', Addison-Wesley, 1998. (24.95 U.K. Pounds).