2005-06-06 Unified Modeling Language Index page http://www-106.ibm.com/developerworks/rational/library/content/RationalEdge/archives/uml.htmlhttp://www-106.ibm.com/developerworks/rational/library/content/RationalEdge/nov03/f_usability_jh.pdfhttp://www-106.ibm.com/developerworks/rational/library/4697.html