MARKANDEY,D K <br/><br/>
ENVIRONMENTAL SURVEILLANCE - VOL.I 

 - NEW DELHI  APH Publishing Corporation  2006 
 - vii+382p.,24X18Cms. 
<br/><br/><label>ISBN: </label>8131300064 
<br/><br/><label>Dewey Class. No.: </label>628.53 M345