OrtnerS96'

@inproceedings{DBLP:conf/er/OrtnerS96,
  author    = {Erich Ortner and
               Bruno Schienmann},
  title     = {Normative Language Approach - A Framework for Understanding},
  booktitle = {ER},
  year      = {1996},
  pages     = {261-276},
  ee        = {http://dx.doi.org/10.1007/BFb0019928},
  crossref  = {DBLP:conf/er/96},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/er/96,
  editor    = {Bernhard Thalheim},
  title     = {Conceptual Modeling - ER'96, 15th International Conference
               on Conceptual Modeling, Cottbus, Germany, October 7-10,
               1996, Proceedings},
  booktitle = {ER},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {1157},
  year      = {1996},
  isbn      = {3-540-61784-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}