Augmentative and alternative communication :  a handbook of principles and pratices / 
[edited by] Lyle L. Lloyd, Donald R. Fuller, Helen H. Arvidson 
 - Boston :  Allyn and Bacon,  1997 
 - xxiv, 615 p. :  ill. ;  25 cm. 
<br/><br/> Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0205198848  RM305.52 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication disorders--rehabilitation<br/>Communication Aids for disabled