共 22 条
[13]
HONDA M, 1961, GEOCHIM COSMOCHIM AC, V22
[14]
KOHMAN TP, 1957, INT C RADIOISOTOPES
[15]
Libby W. F., 1955, RADIOCARBON DATING
[16]
MACDONALD GE, COMMUNICATION
[17]
*NAT SCI F, G14287 GRANT
[18]
Ralph EK, 1959, AM J SCI RADIOCARB S, V1, P45
[19]
SCHAEFFER OA, 1962, RADIOISOTOPES PHYSIC, V1, P3
[20]
SUESS HE, 1960, 84590 NATL AC SCI NA