TY - GEN AU - Hammer,Mark J. AU - Hammer,Mark J. TI - Water and wastewater technology SN - 9789332550056 (pbk.) AV - TD345 .H25 1986b U1 - 628 PY - 2015/// CY - Noida, India PB - Pearson KW - Sewage disposal KW - Water-supply engineering N1 - Includes index ER -