Trivedi P.R. <br/><br/>
Encyclopedia of Environmental Science 

 - New Delhi  Akashdeep  1992 
 -  XVII .
<br/><br/><label>ISBN: </label>0000023116 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental <br/> Science<br/>Encyclopedia <br/>ENV ENGG ENCYCLOPEDIA
<br/><br/><label>Dewey Class. No.: </label>620.803