Classification in mental retardation / 
editor Herbert J. Grossman 
 - Washington, D. C., :  American Association on Mental Defeciency,  1983 
 - v, 228 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0940898128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation--classification
<br/><br/><label>National Library of Medicine Call No.: </label>WM15