共 28 条
[3]
DUTCHER RR, 1984, 1984 P INT GAS RES C, P356
[6]
GRANOFF B, 1980, CHEM PHYSICS COAL UT, P291
[7]
Gray R.J., 1976, T AIME SOC MINING EN, V260, P334
[10]
HUFFMAN GP, 1984, CORRELATIVE INVESTIG