Chhatwal, G. R. <br/><br/>
Encyclopedia of environmental pollution and its control / 
G. R. Chhatwal. 
 - New Delhi :  Anmol Publications,  c1997. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering--Encyclopedias.<br/>Environmental pollution--Encyclopedias.<br/>Pollution--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>363.73  / CHH