Chhatwal G R Ed <br/><br/>
Encyclopaedia of environmental air pollution 

 - New Delhi  Anmol       1997 
 - 346p, 347-670p, 671-1022p  cm. 
<br/><br/><label>Standard No.: </label>20814 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/> GEOGRAPHY<br/>ENCYCLOPEDIAS AND DICTIONARIES
<br/><br/><label>Dewey Class. No.: </label>U47:558k1,N97, N7.1-.3  (R R)