Piaget, Jean. <br/><br/>
The principles of genetic epistemology /  
Jean Piaget; translated from he French by Wolf  Mays. 
 - London :   Routledge Kegan Paul ,   1997. 
 - v,98p. :   ills,figs,maps ;   23cm .  
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<br/><br/><label>ISBN: </label>0710086601  UKP 5.95 
<br/><br/><label>Subjects--Index Terms: </label>GENETICS 
<br/><br/><label>Dewey Class. No.: </label>576.5  / PIA/P