Bjerstedt, Å <br/><br/>
Methodology of preferential sociometry :  selected trends and some contributions / 
by Å. Bjerstedt 
 - London :  1956. 
 - 156p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociometry.
<br/><br/><label>Dewey Class. No.: </label>301.8  301.01