Ursul, A. D. <br/><br/>
Philosophy and the ecological problems of civilisation 

 - Moscow  Progress Pub.  1983 
 - 410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental ethics<br/>human ecology<br/>Social change
<br/><br/><label>Dewey Class. No.: </label>304.2