Riopelle,A.J. ed. <br/><br/>
ANIMAL problem solving 

 - London  Penguin books  1967 
 - 437p. 
<br/><br/><label>ISBN: </label>154842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal intelligence
<br/><br/><label>Dewey Class. No.: </label>519.513  / ANI