TY - BOOK AU - Benefield, Larry D., AU - Weand, Barron L. AU - Judkins, Joseph F., TI - Process chemistry for water and wastewater treatment SN - 0137229755 AV - TD353 B44 PY - 1982/// CY - Englewood cliffs, new jersey PB - Prentice Hall KW - Agua KW - Purificación KW - Aguas residuales ER -