Homans, George Caspar <br/><br/>
The human group / 
George C. Homans. 
 - New York :  Harcourt Brace Jovanovich, Publishers,  1950. 
 - 484 p. :  ill ;  22 cm. 
<br/><br/><label>ISBN: </label>0-15-540375-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology