TY - BOOK ED - Institution of Civil Engineers (Great Britain) TI - Advances in sewage treatment, proceedings of the conference held on 14 November 1972 at the Institution of Civil Engineers SN - 0901948705 U1 - 628.3 PY - 1972/// CY - [London PB - Telford for the Institute of Civil Engineers KW - Civil engineering KW - Sewage KW - Purification KW - Congresses N1 - Includes bibliographical references ER -