TY - BOOK AU - Bureau of Indian Standards TI - Methods of Test for Soils: Part - 22 Determination of Organic Matter (IS : 2720 (Part 22) - 1972) Reaffirmed 1978 U1 - IS : 2720 (Part 22) - 1972 PY - 1972/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 2720 (Part 22) - 1972 ER -