Inhelder,Barbel <br/><br/>
The Early Growth of Logic in the Child  : Classification and Seriation 
/ by Barbel Inhelder 
 - london  routledge and kegan paul  1964 
 - xxv,302p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>155.4  / INH/T