Singh J S <br/><br/>
Ecology environment and resource conservation 
by Singh J S; Singh S P; Gupta S R 
 - New Delhi   Anamaya Publisher       2006 
 - xxvii,688p.  cm. 
<br/><br/> Bibliographical references 643-678p; Index 679-688p 
<br/><br/><label>ISBN: </label>8188342556 (pbk) 
<br/><br/><label>Standard No.: </label>79260 
<br/><br/><label>Source: </label> 0067, 21/11/2007, Dhanraj Book House  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology environment<br/> Resource conservation<br/>Environmental biology
<br/><br/><label>Dewey Class. No.: </label>G:5, P6-;5