Homer-Dixon, Thomas <br/><br/>
Strategies for studying causation in complex ecological political sy stems : 

 - Washington, D.C. :   American Association for the Advancement of Sc ience,   1995 
 - 12 p.:   ill. ;   28 cm. 
 - The project on environment, population, and security;   (p. 10-12 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0871685736 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Causation
<br/><br/><label>Dewey Class. No.: </label>122