TY - BOOK AU - Bureau of Indian Standards TI - Specification for Coarse and Fine Aggregates from Natural Sources for Concrete (IS : 383 - 1970) U1 - IS : 383 - 1970 PY - 1971/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 383 - 1970 ER -