MANUAL WASTEWATER TREATMENT/DISPOSAL FOR SMALL COMMUNITIES 

 - S.E. 
 - Estados Unidos  EPA  1992 WASHINGTON 
 - 110 
<br/><br/><label>LCCN: </label>27994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUAS NEGRAS-TRATAMIENTO<br/>INGENIERIA SANITARIA
<br/><br/><label>Dewey Class. No.: </label>628.3