Hull, Clark Leonard, 1884-1952 <br/><br/>
A behavior system :  an introduction to behavior theory concerning the individual organism / 
Clark Leonard Hull 
 - Westport, Conn. :  Greenwood Press,  1974 
 - ix, 372 p. :  ill. ;  23 cm. 
<br/><br/> Reprint of the ed. published by Yale University Press, New Haven 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0837169550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behaviorism (Psychology)<br/>Psychology, Comparative<br/>Animal intelligence