1. Electronic Meetings: Technical Alternatives and Social Choices;Johansen,1979
2. Teleconferencing: is video valuable or is audio adequate;Pye;Telecommunications Policy,1977
3. The Social Psychology of Telecommunications;Short,1976
4. Martin C.J. Elton, Videoconferencing: Some Reflections of Recent Research, Alternate Media Center, School of Arts, New York University (mimeo);
5. Telecommunications Substitutes for Travel;Harkness,1973