Hardenbergerh, W. A.  <br/><br/>
Water suplly and purification 

 - 2nd ed 
 - Pennsylvania :   International textbook company,   1945. 
 - 488 p. 
 - International Texts in Civil Engineering .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA<br/>PURIFICACION DE AGUA<br/>ABASTECIMIENTO DE AGUA
<br/><br/><label>Universal Decimal Class. No.: </label>628.3