共 15 条
[1]
Colombo A. F., 1965, T AIME, V232, P100
[2]
COYLE DS, 1965, 26 ANN MIN S CTR CON, P9
[3]
ERCK LJ, 1961, QUART COLO SCH MINES, V56, P387
[4]
FROMMER DW, 1964, MINING ENG, V16, P67
[5]
FROMMER DW, 1964, 6399 BUR MIN REP INV
[6]
FUERSTENAU DW, 1957, T AM I MIN MET ENG, V208, P1365
[7]
GAUDIN AM, 1955, T AM I MIN MET ENG, V202, P66
[8]
HEISING LF, 1963, OPENPIT IRON MINING
[9]
MCCOMB JB, 1963, 13 BUR EC STUD MAC C, P16