Hardenbergh.W.A. <br/><br/>
Sewerage &Sewage Treatment.(1952). 

 - 3rd Ed. 
 -  International Text Book Corp. Scratintion  1955 
 -  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIVI
<br/><br/><label>Index Terms--Genre/Form: </label><br/>C-12
<br/><br/><label>Dewey Class. No.: </label> / HAR