Piget, Jean <br/><br/>
Genetic eistemology 

 - London  Columbia Univ, Press  1970 
 - 84p. 
 - Woddbridge lect delivered at columbia univ, in 1968 no.8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>R2oS
<br/><br/><label>Dewey Class. No.: </label>R2oS  / Ko