1. Gardan, R. CONGRÈS: a computer assisted conference system allowing sketch transmission. In M. Boutmy & S. Danthine (Eds.), Proceedings Teleinfor- matics 79. IFIP, The Hague: North Holland Publ. Co., 1979.
2. Hiltz, S. R. Electronic information exchange: Findings. Telecommunications Policy, 1978,3(2), 156–161.
3. Fliltz, S. R., & Turoff, M. The network nation: Human communication via computer. Reading, Mass.: Addison-Wesley, 1978.
4. Hiltz, S. R., Turoff, M., & Whitescarver, J. The human-machine interface in a computerized conferencing environment, Proceedings IEEE Systems, Man and Cybernetics. New York: IEEE, 1977
5. Lenz, P., & Lenz, T. LEGITECH/EIES: Information exchange and collective knowledge building among state legislative researchers. In M. M. Henderson & M.H. McNaughton (Eds.), Electronic communication: Technology and impacts. Boulder, Col.: Westview Press, 1979