Trivedi (P.R) & Raj (Gurdeep) <br/><br/>
Encyclopaedia of environmental sciences  

 -  Akashdeep   1992 
<br/><br/><label>ISBN: </label>81-7158-257-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia <br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>GZk   N2.14