TY - BOOK AU - Mara,D.Duncan TI - Sewage treatment in hot climates SN - 0471567841 : U1 - 628.30913 PY - 1976/// CY - London PB - John Wiley KW - Sewage KW - Purification KW - Tropical conditions KW - Sanitary engineering KW - Tropical climate N1 - "A Wiley-Interscience publication."; Includes index ER -