Axel Korthaus

Martin Schader, Axel Korthaus: Modeling Business Processes as Part of the BOOSTER Approach to Business Object-Oriented Systems Development Based on UML, The Second International Enterprise Distributed Object Computing Workshop, 1998, (BibTeX entry).
Martin Schader, Axel Korthaus: Modeling Java Threads in UML, Workshop "Einsatz, Bewertung und Stand der Unified Modeling Language (UML)", 1997, (BibTeX entry).
Axel Korthaus: Using UML for Business Object Based Systems Modeling, Workshop "Einsatz, Bewertung und Stand der Unified Modeling Language (UML)", 1997, (BibTeX entry).
Axel Korthaus, Stefan Kuhlins: BOOSTER*Process - A Software Development Process Model Integrating Business Object Technology and UML, UML'98: Beyond the Notation - International Workshop (Preliminary Proceedings), 1998, (BibTeX entry).
Axel Korthaus, Stefan Kuhlins: BOOSTER*Process: A Software Development Process Model Integrating Business Object Technology and UML, UML'98: Beyond the Notation - International Workshop (Final Proceedings), 1998, (BibTeX entry).

dblp: Computer Science Bibliography (University of Trier, Germany). (Note that this does not always work due to different naming schemes.)