Kumar, Ram <br/><br/>
Encyclopaedia of Enviornmental Science and Technology Vol.3 

 - Delhi  Ivy Publishing  2000 
<br/><br/><label>Subjects--Uniform Titles: </label>--EcologyPost Graduate Reference
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences--BiologyChemistry
<br/><br/><label>Dewey Class. No.: </label>577.03  / KUM-E