Manjunath D L <br/><br/>
Environmental studies 

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 - Delhi  Dorling Kindersley  2007 
 - "xii,203p. : ill. ;21.5cm." 
<br/><br/> includes bibliography and index 
<br/><br/><label>ISBN: </label>8131709124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences