TY - BOOK AU - Metcalf AU - Eddy AU - Metcalf TI - Wastewater engineering collection treatment disposal U1 - 628.3 PY - 1974/// CY - New Delhi PB - Tata McGraw-Hill Education KW - Sewage disposal KW - Sewage KW - Purification KW - Biological treatment KW - Pumping KW - Refuse and refuse disposal N1 - 1st ed Pub. in 1972 by Mcgrewhill, Newyork; Includes bibliographical references and index ER -