Ehlers, Victor M. <br/><br/>
Municipal and rural sanitation / 
Victor M. Ehlers 
 - 6th ed. 
 - New York :  McGraw-Hill Book Company,  1965 
<br/><br/>Includes references & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rural sanitation
<br/><br/><label>Dewey Class. No.: </label>628  / EHL