TY - BOOK AU - Bureau of Indian Standards TI - Methods of Test for Determination of Strength Properties on Natural Building Stones: Part - 4 Shear Strength ( IS : 1121 (Part 4) - 1974) U1 - IS : 1121 (Part 4) - 1974) PY - 1975/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 1121 (Part 4) - 1974) ER -