MANIVASAKAM,N <br/><br/>
Environmental Polution 

 - 1st Ed.  3rd Reprint 
 -  National Book Trust, India New Delhi,  1992 
 - 146p 
<br/><br/><label>ISBN: </label>81-237-0102-0 
<br/><br/><label>Dewey Class. No.: </label>363.73  / MAN/E