@inproceedings{ubo:14839,
  author = {Ziegler, J.},
  editor = {Bullinger, H.J. and Warnecke, H.J. and Westkämper, E. and Niemann, J. and Balve, P. and Bauer, S. and Gerlach, G.},
  chapter = {},
  year = {2003},
  publisher = {Springer},
  abstract = {2., neu bearb. und erw. Aufl.},
  booktitle = {},
  title = {Rechnerunterstützung für kooperative Arbeit - Computer Supported Cooperative Work}
}


@inproceedings{ubo:14844,
  author = {Wissen, M. and Ziegler, J.},
  editor = {Mambrey, P. and Pipek, V. and Rohde, M.},
  chapter = {},
  year = {2003},
  publisher = {Physica-Verlag},
  booktitle = {},
  title = {Methoden und Werkzeuge für kooperatives Content Engineering}
}


@inproceedings{ubo:14841,
  author = {Janssen, D. and Schlegel, T. and Wissen, M. and Ziegler, J.},
  editor = {Jacko, J.A. and Stephanidis, C.},
  chapter = {},
  title = {MetaChart: Using creativity methods in a CSCW environment},
  year = {2003},
  publisher = {Erlbaum},
  booktitle = {HCI International 2003, Proceedings of the 10th International Conference on Human-Computer Interaction}
}