A communications device for the severely handicapped. - Gregg C. Vanderheiden; D. F. Lamers; Andrew M. Volk; C. Daniel Geisler (ACM Annual Conference, 1973)

An alternate interface to computers for the physically handicapped: the auto-monitoring communication board. - Gregg C. Vanderheiden; Andrew M. Volk; C. Daniel Geisler (AFIPS National Computer Conference, 1974)