Swarup R Ed. <br/><br/>
Environmental science and technology 

 - New Delhi       Mittal Pub         1992 
 - p.  cm. 
 - Encyclopedia of Ecology, Environment and Pollution control; 7 .
<br/><br/><label>Standard No.: </label>56052 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environment<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:55, N2.7       RR