DeGraff, Michel  . <br/><br/>
Language creation and Language change /  
edited by Michel DeGraff. 
 - Cambridge :   The MIT Press ,   1999 
 - x, 573p ;  
<br/><br/><label>ISBN: </label>0-262-04168-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sign language
<br/><br/><label>Dewey Class. No.: </label>P:15  / P9