TY - BOOK ED - Industrial Waste Conference ED - Purdue University. School of Civil Engineering TI - Proceedings of the 31st Industrial Waste Conference, May 4, 5 and 6, 1976 SN - 0250401649 PY - 1977/// CY - Ann Arbor, Mich. PB - Ann Arbor Science KW - Waste products KW - Congresses N1 - Sponsored by the School of Civil Engineering of Purdue University; Includes bibliographical references ER -