Social evaluation of computer-based conferencing: some methods and results. - Robert Johansen (ACM Annual Conference (2), 1974)

Pragmatics and Dynamics of Computer Conferencing: A Summary of Findings from the Forum Project. - Jacques F. Vallee; Robert Johansen; Hubert Lipinshi; Thaddeus Wilson (ICCC, 1976)

Computer-supported groups: trends & markets. - Robert Johansen (CSCW, 1986)