TY - BOOK AU - Craven C A U TI - Statistical estimation of the accuracy of assaying U1 - 000SB:669 PY - 1954/// CY - London PB - Inst of Mining and Matallergy KW - Statistical estimation N1 - Papers in Bull of the inst of Mining and Metallurgy, Sept 1954, no.574, Transactions, v.y63, pt.12 ; 1953-1954 ER -