Trivedi, P. R. <br/><br/>
Ecology and environment / 
P. R.Trivedi. 
 - New Delhi :  A P H Publishing,  c 2004. 
 - vi, 202 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>55   55 
<br/><br/><label>ISBN: </label>81-7648-532-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Environment.
<br/><br/><label>Dewey Class. No.: </label>304.2 / T73e