Trivedy, R. K., Goel, P. K. and Trisal, C. L. <br/><br/>
Practical methods in ecology and environmental science 

 - Karad  ; Enviro Media Publications  , 1987 
 - 338p. 
<br/><br/><label>ISBN: </label> 200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>577  / TRI