Piaget, Jean <br/><br/>
The principles of genetic epistemology  

 - London:  Routledge.  1997, 
 - Vol.7 98p.  22cm 
<br/><br/><label>ISBN: </label>0-415-16890-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epistemology 
<br/><br/><label>Dewey Class. No.: </label>121.2  / PIA