共 29 条
[4]
Cox J.L, 1984, PREPR PAP AM CHEM SO, V29, P102
[6]
FIRTH BA, 1984, COAL PREPARATION, V1, P53
[8]
Gerstein BC, 1982, COAL STRUCTURE, P87
[10]
Gray R.J., 1976, T AIME SOC MINING EN, V260, P334