Irwin, F.W. <br/><br/>
Intensional behavior and motivation 

 - London  J.B. Lippincott Company  1971 
 - xv, 201p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior
<br/><br/><label>LC Class. No.: </label>MED. BF199  / J7