Smith, Mary Beirne, Patton, James and Ittenbach, Richard <br/><br/>
Mental retardation 

 - 4th ed. 
 - New York  Merrill  1994 
 - xiv,636p. 
<br/><br/><label>ISBN: </label>0023078839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Mental retardation
<br/><br/><label>Dewey Class. No.: </label>371.928  / SMI