TY - BOOK AU - Callely,A.G. AU - Forster,C.F AU - Stafford,D.A TI - Treatment of industrial effluents SN - 0340197994 PY - 1977/// CY - London PB - Hodder & Stoughton KW - Factory and trade waste KW - Sewage KW - Purification N1 - Includes bibliographical references and index ER -