Beukelman, David R., <br/><br/>
Augmentative and alternative communication :  management of severe communication disorders in children and adults / 
by David R. Beukelman, Pat Mirenda. 
 - 2nd ed. 
 - Baltimore :  P.H. Brookes Pub.,  c1998. 
 - xiii, 604 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1557663335 
<br/><br/><label>LCCN: </label>97042827  
<br/><br/><label>Subjects--Topical Terms: </label><br/>People with disabilities--Means of communication.<br/>Communication devices for people with disabilities.<br/>Communicative Disorders--rehabilitation.<br/>Communication Aids for Disabled.
<br/><br/><label>LC Class. No.: </label>RC 423  / .B3 1999