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

 - Mascow  Progress Publishers           1983 
 - 410p  cm. 
 - U S S R Academy of Sciences, Institute of Philosophy .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:1:(G:5), M3