TY - BOOK AU - Bureau of Indian Standards TI - Criteria for Safety and Design of Structures Subject to Underground Blasts (IS : 6922 - 1973) U1 - IS : 6922 - 1973 PY - 1973/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 6922 - 1973 ER -