TY - BOOK AU - Bureau of Indian Standards TI - Code of Practice for Installation of Septic Tanks: Part - 1 Design Criteria and Construction (IS : 2470 (Part 1) - 1985) U1 - IS : 2470 (Part 1) - 1985 PY - 1986/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 2470 (Part 1) - 1985 ER -