Ruth Griffiths <br/><br/>
The Abilities of babies : a study in mental measurement 

 - University of London Press, London  1970 
 - x,229p figs. 
<br/><br/><label>ISBN: </label>0-340-08505-3 
<br/><br/><label>Dewey Class. No.: </label>136.72:151.2 Gri