Piaget, Jean,  1896-1980. <br/><br/>
The essential Piaget / 
edited by Howard E. Gruber and J. Jacques Voneche. 
 - New York :  Basic Books,  c1977. 
 - xlii, 881 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [861]-866. 
<br/><br/><label>ISBN: </label>0465020585 
<br/><br/><label>LCCN: </label>76009337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children.<br/>Knowledge, Theory of.<br/>Biology.
<br/><br/><label>LC Class. No.: </label>BF 723 .C5  / P494