Chhatwal, G.R. and others <br/><br/>
Encyclopedia of environmental pollution and its control  : water pollution 

 - New Delhi  ; Anmol Publications  , 1989 
 - 532p.  , V.2 
<br/><br/><label>ISBN: </label>8170412455  416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia<br/>Environmental Pollution-Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>363.7303  / CHH