Katharine B Hoyenga, Kermit T Hoyenga <br/><br/>
Motivational explanations of behavior : evolutionary, physiological, and cognitive ideas 

 - Brooks/Cole Publ, California  1984 
 - xx,471p figs. 
<br/><br/><label>ISBN: </label>0-534-02776-8 
<br/><br/><label>Dewey Class. No.: </label>153.2 Hoy/Hoy