共 63 条
[12]
BROWN PM, 1972, 796 US GEOL SURV PRO
[13]
BURNETT WC, URANIUM SERIES AGE D
[14]
CATHCART JB, 1968, 4TH P FOR GEOL IND M, P23
[15]
CATHCART JB, 1968, MINERAL RESOURCE DEV, V32, P178
[16]
CHARM WB, 1969, 581D US GEOL SURV PR
[18]
Frakes L.A., 1979, CLIMATES GEOLOGIC TI
[19]
FREAS DH, 1968, MINERAL RESOURCE DEV, V32, P187