B. Hofreiter, C. Huemer:
"ebXML Business Processes - Defined both in UMM and BPSS";
Talk: 1st Workshop of German Informatics Society e.V., Marburg, Germany; 2004; in: "1st Workshop of German Informatics Society e.V. (GI): XML Interchange Formats for Business Process Management (XML4BPM 2004)", (2004), 81 - 102.