Lachenmeyer, Charles W <br/><br/>
The essence of social research  A Copernican Revolution 
(by) Charles W. Lachenmeyer 
 - New York  Free Press  1973 
 - viii, 309 p. : illus. ; 22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>72-87692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social sciences