1. Schill, A.: Cooperative Office Systems. Prentice Hall International (UK), London, 1995.
2. Malm, P.S.: The unofficial yellow pages of CSCW. University of Tromso, April, 1994. (http://tft.tele.no/cscw/)
3. Jarczyk, A., Löffler, P., Völksen, G.: Computer Supported Cooperative Work (CSCW) — State of the Art and Suggestions for Future Work. Internal Report, Version 1.0, Siemens AG, Corporate Research, 1992.
4. Kottmann, D. A.: Support for Data Management in Mobile Systems. (in German) GI/ITG Workshop: Development and Management of Distributed Systems. J. W. Goethe Universität Frankfurt, October 1993.
5. Kolland, M., Jarczyk, A., Löffler, P.: Information Sharing in Collaborative Environments. Proceedings of the IEEE Third Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises. Morgantown, WV, April 17–19, 1994, pp. 140–154.