TY - BOOK ED - Indian Standards Institution TI - Indian standard code of practice for design and construction of septic tanks: pt. 2, large installations PY - 1971/// CY - New Delhi PB - Indian Standards Institution KW -  Septic Tanks  KW -  Sewave Works KW -  Standards  KW - NASA Thesaurus  N1 - IS 2470 : Part 2 : 1971 ER -