Bjerstedt, Ake <br/><br/>
Definitions of sociometry / 
by Ake Bjerstedt 
 - New York :  Beacon House, 
 - 20p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociometry
<br/><br/><label>Dewey Class. No.: </label>300  / BJE.D