Zaheed, Imtiyaz Hussain, <br/><br/>
A Textbook on environmental biology / 
Imtiyaz Hussain Zaheed & Rafiuddin Naser. 
 - New Delhi :  Discovery Publishing House,   c2013. 
 - 392 pages :  illustrations ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789350562314 (Hb.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental biology.
<br/><br/><label>LC Class. No.: </label>QH310  / .Z33 2013