Mental retardation 
[edited by] James R. Patton, James S. Payne, Mary Beirne-Smith. 
 - 3 ed. 
 - Columbus, Ohio  C.E. Merrill Pub. Co.  c1990. 
 - xvii, 634 p.  ill. (some col.). 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 565-613. 
<br/><br/><label>ISBN: </label>0675212103 
<br/><br/><label>LCCN: </label>buc93000093  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation
<br/><br/><label>LC Class. No.: </label>RC570  / .M385 1986 
<br/><br/><label>Dewey Class. No.: </label>362.3