Romero Rojas, Jairo A., <br/><br/>
Purificación del agua / 
Jairo Alberto Romero Rojas. 
 - 1 online resource :  illustrations. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification.<br/>Water treatment plants.
<br/><br/><label>LC Class. No.: </label>TD434 ebook