TY - BOOK AU - Sidwick, J. M. TI - Screenings and grit in sewage: removal, treatment and disposal SN - 0860172309 PY - 1985/// CY - London PB - Construction Industry Research and Information Association and Water Research Centre KW - Sewage KW - Purification KW - Screening N1 - Includes bibliographical references (p. 70-73) and glossary ER -