Trivedi, P.R. and Raj, Gurdeep <br/><br/>
Encyclopaedia of environmental sciences 

 - New Delhi  ; Akashdeep Publishing  , 1992 
 - iii,278p.  , V.22 
<br/><br/><label>ISBN: </label>8171582621  4800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia<br/>Environmental Sciences-Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>333.703  / TRI