Helmer, Olaf <br/><br/>
Social technology / 
Olaf Helmer; contributions by Bernice brown, Theodore Gordon 
 - New York :  Basic books,  1966. 
 - 108 p. :  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>303.4  / HES 1966