TY - BOOK ED - Indian Standards Institution TI - Indian standard code of practice for design and construction of septic tanks: pt. 1, small installations PY - 1969/// CY - New Delhi PB - Indian Standards Institution KW -  Septic Tanks KW -  Sewage Works  KW -  Standards  KW - NASA Thesaurus  N1 - IS 2470 : Part 1 : 1968 ER -