@INPROCEEDINGS{R94,
  author       = {Norbert Ritter},
  title        = {Supporting Cooperative Work by Conventional Database Transactions},
  booktitle    = {Proc. 7th Int. Conf. on Systsems Research, Informatics and Cybernetics, Advances in Database and Expert Systems},
  year         = {1994},
  editor       = {G.E. Lasker},
  pages        = {169-175},
  organization = {Int. Institute for Advanced Studies in Systems Research and Cybernetics}
}