Rao C S <br/><br/>
Environmental pollution control engineering 

 - New Delhi   Wiley Eastern India         1991 
 - viii,431p. Appendix p. 415-19  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), N1