Non-vocal communication techniques and aids for the severely physically handi ; capped - McDonald, Eugene T. ( Eugene Thomas), 1916-; Vanderheiden, Gregg C., 1949-; Grilley, Kate; Trace Research and Development Center for the Severely Communicatively Handicapped (University Park Press : Baltimore, 1975)
Bibliography: p. 221-227.
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Keywords: Communicative disorders in children -- Congresses; Physically handicapped children -- Language -- Congresses; Communication devices for the disabled -- Congresses; Pasigraphy -- Congresses