Penrose, E. F. <br/><br/>
The revolution in international relations: a study in the changing balance of power 

 - ,aLondon  Frank Cass and Co.  1965 
 - p. 290 
<br/><br/><label>Subjects--Index Terms: </label>Political science;International relations;International politics 
<br/><br/><label>Dewey Class. No.: </label>327