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/> References 643-678p.; Index 679-688p. 
<br/><br/><label>ISBN: </label>8188342556 (pbk) 
<br/><br/><label>Standard No.: </label>99450 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology and environment<br/> Resource conservation<br/>Environmental Studies
<br/><br/><label>Dewey Class. No.: </label>G:5, P6;13-;14