TY - BOOK AU - Hammer,Mark J. AU - Hammer,Mark J. TI - Water and wastewater technology SN - 812031378x (pbk.) U1 - 628.1 PY - 1998/// CY - New Delhi PB - Prentice-Hall of India KW - Water-supply engineering KW - Sewage disposal N1 - Includes bibliographical references and index ER -