Musselwhite, Caroline R. & Louis, Karen W. <br/><br/>
Communication programming for the severely handicapped  vocal and non-vocal strategies 

 - College-Hill Press, Texas  1982 
 - vi,325p figs. 
<br/><br/><label>ISBN: </label>0-933014-64-3 
<br/><br/><label>Dewey Class. No.: </label>371.9 Mus/Lou