TY - BOOK AU - Bureau of Indian Standards TI - Methods for Performance Assessment of Ultrasonic Flaw Detection Equipment (IS : 12666 - 1988) U1 - IS : 12666 - 1988 PY - 1990/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 12666 - 1988 ER -