Grant Larsen, Jim Conallen: Engineering Web-Based Systems with UML Assets. In: Annals of Software Engineering. Band13, Nr.1, 1. Juni 2002, ISSN1573-7489, S.203–230, doi:10.1023/A:1016501611550.
IBM Completes Rational Acquisition. In: Wall Street Journal. 21. Februar 2003, ISSN0099-9660 (wsj.com [abgerufen am 21. September 2021]).
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Grant Larsen, Jim Conallen: Engineering Web-Based Systems with UML Assets. In: Annals of Software Engineering. Band13, Nr.1, 1. Juni 2002, ISSN1573-7489, S.203–230, doi:10.1023/A:1016501611550.
IBM Completes Rational Acquisition. In: Wall Street Journal. 21. Februar 2003, ISSN0099-9660 (wsj.com [abgerufen am 21. September 2021]).