Ram Kumar <br/><br/>
Encyclopaedia of Environmental Science and Technology : vol.1 

 - IVY, New Delhi  2001 
 - viii,322p 
<br/><br/><label>ISBN: </label>81-7890-028-9 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>General Reference Works
<br/><br/><label>Dewey Class. No.: </label>R 301.303 E.E.S.T.