@INPROCEEDINGS{NR97,
  author    = {U. Nink and Norbert Ritter},
  title     = {Database Application Programming with Versioned C omplex Objects},
  booktitle = {Tagungsband der GI-Fachtagung 'Datenbanksysteme in Büro, Technik und Wissenschaft' (BTW'97)},
  year      = {1997},
  editor    = {K.R. Dittrich, A. Geppert},
  pages     = {172-191},
  month     = {3},
  publisher = {Springer-Verlag}
}