Piaget Jean <br/><br/>
Child's conception of physical causality. Translat 

 -  1930 
 - viii, 309p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Philosophy<br/>Epistemology-Piaget
<br/><br/><label>Dewey Class. No.: </label>R2xM96, G0