Language in sign :  an international perspective on sign language / 
edited by J.G. Kyle and B. Woll. 
 - London :  Croom Helm,  1983. 
 - 288 p. :  ill. ;  22 cm. 
<br/><br/>Includes references : p. 271-288. 
<br/><br/><label>ISBN: </label>0709915284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deaf--Means of communication--Congresses.<br/>Sign language--Congresses.