Martin Gogolla. Tales of ER and RE Syntax and Semantics. In James R. Cordy, Ralf Lämmel, Andreas Winter, editors, Transformation Techniques in Software Engineering, 17.-22. April 2005. Volume 05161 of Dagstuhl Seminar Proceedings, Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany, 2005. [doi]
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