Osgood, Charles Egerton. <br/><br/>
Graduated reciprocation in tension-reduction :  A key to initiative in foreign policy / 
[By] Charles E. Osgood. 
 - Urbana :  Institute of Communications Research, University of Illinois,  [1960]. 
 - 82 l. ;  28 cm. 
<br/><br/> Cover title. 
<br/><br/>Bibliogr.: leaves 80-82. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations.<br/>Reciprocity.