Survey of environment statistics   Frame- works, approaches and statistical publications.    

 - New York  United Nations          1982 
 - v,115p.  cm. 
<br/><br/> Statistical papers series M., no. 73 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U:(G):55.N82s, M2/UN