@InProceedings{MotschnigPitrik:2000:ER,
  author =       "Renate Motschnig-Pitrik",
  title =        "The Viewpoint Abstraction in Object-Oriented Modeling and
                  the {UML}",
  pages =        "543--557",
  booktitle =    "Conceptual Modeling - ER 2000, 19th International
                  Conference on Conceptual Modeling, Salt Lake City, Utah,
                  USA, October 9-12, 2000, Proceedings",
  editor =       "Alberto H. F. Laender and Stephen W. Liddle and Veda C.
                  Storey",
  publisher =    "Springer",
  series =       "LNCS",
  volume =       "1920",
  year =         "2000",
}