Non-vocal communication techniques and aids for the severely physically handicapped  based upon transcriptions of the 1975 Trace Center national workshop series on non-vocal communication techniques and aids 
Eugene T. McDonald ... [et al.] ; edited by Gregg C. Vanderheiden, Kate Grilley ; art editor, Jana Fothergill. 
 - Baltimore  University Park Press  [1977] 
 - xv, 227 p.  ill. 
<br/><br/>Bibliography: p. 221-227. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicative disorders in children--Congresses.<br/>Pasigraphy--Congresses.<br/>Communication devices for the disabled--Congresses.<br/>Physically handicapped children--Language--Congresses.