Chhatwal G R Ed. <br/><br/>
ECYCLOPEDIA OF environmental pollution and its con 
Chhatwal G R Ed. 
 - New Delhi   Anmol India          1989 
 -  V1 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55)K, M9.1-6/RR