Manivasakam N <br/><br/>
Environmental pollution 
Manivasakam N 
 - New Delhi  National Book Trust India      1999 
 - 160p.  cm. 
<br/><br/><label>ISBN: </label>8123710348 
<br/><br/><label>Standard No.: </label>79415 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>G:55:(D854), N9