共 9 条
[1]
CRAIG H, 1961, SCIENCE, V133, P3467
[3]
DANSGAARD W, 1964, TELLUS, V16, P436
[4]
EPSTEIN S, 1956, 2 P C NUCL PROC GEOL
[5]
Francis W., 1961, COAL ITS FORMATION C
[6]
FRIEDMAN J, 1953, GEOCHIM COSMOCHIM AC, V4, P89