Symposium on problems relating to environment 

 - New  York United Nations USA      1971 
 - "vii, 386p."  cm. 
<br/><br/> Sales No. E.71.II.E.6 
<br/><br/><label>Standard No.: </label>59368 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Economics
<br/><br/><label>Dewey Class. No.: </label>"X:(G:55)p1,N7, L1/UN"