Manivasakam N <br/><br/>
Environmental pollution 

 - New Delhi, India  National Book Trust  1984 
 - viii,146p. 
<br/><br/><br/>MACESE 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science