A study of future worlds 
Richard A. Falk. 
 - New York  Free Press  [1975]  
 - xxxiii, 506 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>0029100607.  0029100801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International organization.<br/>International relations.
<br/><br/><label>LC Class. No.: </label>JX1954  / .F25