Markandey, Dilip Kumar. <br/><br/>
Environmental surveillance / 
by Dilip Kumar Markandey, Neelima Rajvaidya Markandey. 
 - New Delhi :  APH Publications,  2006 
 - vii, (813-1198) p.:[V-3]  25 cm. 
<br/><br/><label>ISBN: </label>8131300064 ;9788131300060 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental monitoring.
<br/><br/><label>Universal Decimal Class. No.: </label>363.73