Manivasakam, N <br/><br/>
Environmental Pollution. 
by N Manivasakam 
 - 2nd Ed.   rep. 
 - delhi:  National book trust.,  1984. 
 - 160p.:  15cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label>8123710348 
<br/><br/><label>Subjects--Index Terms: </label>Specific topics in natural history. Botany 
<br/><br/><label>Dewey Class. No.: </label>581.9