Homans , George C. <br/><br/>
Social behaviour:  its elementary forms / 
by George Caspar Homans 
 - London :  Routledge & Kegan paul,  1961. 
 - 404 p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology<br/>Group behaviour
<br/><br/><label>Dewey Class. No.: </label>301.11  / HOM N61S