Homer-Dixon, Thomas. <br/><br/>
Strategies for studying causation in complex ecological political sy stems / 
Thomas Homer-Dixon. 
 - Washington, D.C. :  American Association for the Advancement of Sc ience,  1995. 
 - 12 p. :  ill. ;  28 cm. 
 - The project on Enviroment, Population and Security .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0871685736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-- Research-- Political aspects.<br/>Ecology-- Political aspects.
<br/><br/><label>Dewey Class. No.: </label>577