Water quality improvement :  By physical and chemical processes / 
Ed. by earnest f. gloyna and w. wesley eckenfalder, jr. Austin, published for the center for researchin water resources by the University of texas 
 - 448 páginas 
 - Water resources symposium ;  3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desarrollo de recursos hidrológicos<br/>Aguas residuales--Purificación
<br/><br/><label>LC Class. No.: </label>TD745  / W37