Tiwari, B. D. <br/><br/>
Sewage pollution and microbiology 

 - Delhi  Swastik Publishers  2009 
 - vii,295p. 
<br/><br/><label>ISBN: </label> RS 795.00 
<br/><br/><label>Source: </label> RS 795.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 TIW