Markandey, Dilip Kumar <br/><br/>
Environmental surveillance / 
Dilip Kumar Markandey, Neelima Rajvaidya Markandey 
 - New Delhi :  APH Publishing corporation,  2006 
 - 3 v. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>8131300064 (set 3 vol.)  RM466.66 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Dictionaries<br/>Environmental protection--Dictionaries