TY - BOOK AU - Bureau of Indian Standards TI - Methods of Test for Soils: Part - 27 Determination of Total Soluble Sulphates (IS : 2720 (Part 27) - 1977) U1 - IS : 2720 (Part 27) - 1977 PY - 1977/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 2720 (Part 27) - 1977 ER -