Ehlers, Victor M. and Steel, Ernest W. <br/><br/>
Municipal and rural sanitation 

 - 6th ed. 
 - New Delhi  Tata McGraw-Hill Publishing  1976 
 - xiv,663p. 
<br/><br/><label>ISBN: </label> 33.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering<br/>Sanitary engineering
<br/><br/><label>Dewey Class. No.: </label>628  / EHL