Piaget, Jean,   1896-1980. <br/><br/>
The child 's conception of the world / 
Jean Piaget 
 - Liitlefield, U.S :   Littlefield Adam quality paperbacks. 
 - ix, 397 p. ;   22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>082260213X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Fertilization, human.
<br/><br/><label>Dewey Class. No.: </label>155.4