Silverman F H <br/><br/>
Comjmunication for the spechless   an introduction to Nonvocal communcation systems for the severely communicatively handicapped 
Silverman F H 
 - Englewood  Prentice Hall        1980 
 - x, 291p.  cm. 
<br/><br/><label>Standard No.: </label>81,437 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:682:4, M0