Ray, P.K. . <br/><br/>
Pollution and Health /  Textual Documents 
P.K. Ray. 
 - 1st ed. / 
 - New Delhi :  Wiley Eastern ,  C 1992. 
 - vi, 157p. :  ill ;  22cm . 
<br/><br/><label>ISBN: </label>81-224-0436-7 
<br/><br/><label>Subjects--Index Terms: </label>Zoology-Pollution Pollution PG-Zoology T/G-Zoology 
<br/><br/><label>Dewey Class. No.: </label>591.5  / Ra 211 Po