Assistive technology for the hearing-impaired, deaf and deafblind / 
Marion A. Hersh, Michael A. Johnson (eds), with Conny Andersson ... [et al.]. 
 - London ;  New York :  Springer,  c2003. 
 - xix, 319 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1852333820 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deaf--Means of communication.<br/>Communication devices for people with disabilities.<br/>Deaf--Means of communication--Technological innovations.<br/>Communication devices for people with disabilities--Technological innovations.
<br/><br/><label>Dewey Class. No.: </label>362.4/283