Trivedi, P. R. <br/><br/>
Environment 
P. R. Trivedi 
 - New Delhi  APH Publishing  2012 
 - 358p.: ill.;  index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>LC Class. No.: </label>HC 79   / .E5T7 2012