Ray P K <br/><br/>
Pollution and health 

 - New Delhi   Wiley Eastern India         1992 
 - vi,157p  cm. 
<br/><br/> Bib p. 121-57 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography
<br/><br/><label>Dewey Class. No.: </label>U475:(L:5), N2