Shukla, S. K. and Srivastava, P. R. <br/><br/>
Ecology and the environment 

 - New Delhi  ; Commonwealth Publishers  , 1992 
 - 330p. 
<br/><br/><label>ISBN: </label>8171692079  350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / SHU