共 19 条
[1]
ANDERBERG MR, 1973, CLUSTER ANAL APPLICA
[2]
Arkin H., 1963, TABLES STATISTICIANS
[3]
BROWN HR, 1964, J I FUEL, V57, P422
[4]
CHAYES F, 1983, 1982 83 CARN I WASH, P281
[5]
FINKELMAN RB, 1980, OF8199 US GEOL SURV
[6]
GLICK DC, 1984, THESIS PENNSYLVANIA
[7]
GLICK DC, 1984, DOE30013F10 US DEP E
[8]
Gluskoter H. J., 1977, TRACE ELEMENTS COAL
[9]
Headlee A.J.W., 1955, W VA GEOL SURV A, V13A, P36
[10]
HIDALGO RV, 1974, THESIS W VIRGINIA U