@InProceedings{Froehlich:2002:UML, author = "Peter Fr{\"o}hlich and Zaijun Hu and Manfred Schoelzke", title = "Using {UML} for Information Modeling in Industrial Systems with Multiple Hierarchies", pages = "63--72", booktitle = "UML 2002 - The Unified Modeling Language. Model Engineering, Languages, Concepts, and Tools. 5th International Conference, Dresden, Germany, September/October 2002, Proceedings", editor = "Jean-Marc J{\'e}z{\'e}quel and Heinrich Hussmann and Stephen Cook", publisher = "Springer", series = "LNCS", volume = "2460", year = "2002", }