Swarup, R <br/><br/>
Encyclopaedia of ecology, environment & pollution control, Vol.15  environmental water pollution and its control 

 - New Delhi  Mittal  1992 
 - v,408 p. 
<br/><br/><label>ISBN: </label>817099375X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL PROBLEMS
<br/><br/><label>Dewey Class. No.: </label>363.7003  / ENC