共 12 条
- [1] HARTMAN HL, 1955, AIME T
- [2] RYD E, 1956, MANUAL ROCK BLASTING, P12
- [3] Schmid E.., 1924, P 1 INT C APPL MECH
- [4] SHEPHERD BF, 1954, MINING C J, V40, P28
- [5] SIMON R, 1956, 6 P DRILL BLAST S MI, P1
- [6] SIMPSON DN, 1951, IRON COAL TRADE REV, V163, P173
- [7] SIMPSON DN, 1951, IRON COAL TRADE REV, V163, P347
- [8] SIMPSON DN, 1951, IRON COAL TRADE REV, V163, P239
- [9] SIMPSON DN, 1951, IRON COAL TRADE REV, V163, P301
- [10] TANDANAND S, 1956, THESIS COLORADO SCH, P25