1. Lect Notes Comput Sci;R. Alur,1999
2. João Araújo. Formalizing sequence diagrams. In Proceedings of the OOPSLA’98 Workshop on Formalizing UML. Why? How?, volume 33, 10 of ACM SIGPLAN Notices, New York, 1998. ACM Press.
3. Benedikt Bollig and Martin Leucker. Modelling, Specifying, and Verifying Message Passing Systems. In Claudio Bettini and Angelo Montanari, editors, Proceedings of the Symposium on Temporal Representation and Reasoning (TIME’01), pages 240–248. IEEE Computer Society Press, June 2001.
4. Benedikt Bollig, Martin Leucker, and Thomas Noll. Generalised Regular MSC Languages. Technical Report AIB-03-2002, RWTH Aachen, January 2002.
5. Volker Diekert and Yves Métivier. Partial commutation and traces. In G. Rozenberg and A. Salomaa, editors, Handbook on Formal Languages, volume III. Springer, Berlin-Heidelberg-New York, 1997.