Saxena, <br/><br/>
Environmental Studies  Textual Documents 
K.K.Saxena 
 - Ist ed-2004. 
 - Jaipur:  University Book House (P) Ltd. 
 - 241p:  22cm. 
<br/><br/><label>ISBN: </label>81-8198-065-4 
<br/><br/><label>Subjects--Index Terms: </label>Ecology G-Biology 
<br/><br/><label>Dewey Class. No.: </label>577