Inhelder Bärbel <br/><br/>
The diagnosis of reasoning in the mentally retarded / 
Prefaces by Jean Piaget. Translated from the French by Will Beth Stephens and others. 
 - New York :  John Day Co.  1968.  
 - 367 p. ;  22 cm. 
<br/><br/>  Translation of Le diagnostic du raisonnement chez les débiles mentaux 
<br/><br/>Bibliography: p. 353-358. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation--Diagnosis
<br/><br/><label>LC Class. No.: </label>WM300