Modi P. N. <br/><br/>
Environmental engineering vol. 2 sewage treatment and disposal and wast water engineering 

 - 2 Ed. 
 - Delhi  Standard Book House  2008 
 - 988p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIVIL
<br/><br/><label>Dewey Class. No.: </label>NULL