TY - BOOK AU - Curtis,Alfred Harper TI - Manganese ores, T2 - Imperial institute. Monographs on mineral resources with special reference to the British Empire AV - TN490.M3 C8 PY - 1919/// CY - London PB - J. Murray KW - Manganese ores N1 - "References to literature on manganese": p. 112-118 ER -