共 19 条
[2]
AHRENS L, 1949, B GEOL SOC AM, V60, P217
[4]
ALDRICH LT, J GEOPHYS RES
[5]
Davies CW, 1926, AM J SCI, V11, P201
[6]
DAVIS GL, 1953, B GEO SOC AM, V64, P379
[7]
THE SPECIFIC ALPHA-ACTIVITIES AND HALF-LIVES OF U-234, U-235 AND U-236
[J].
PHYSICAL REVIEW,
1952, 88 (03)
:642-652
[9]
HAYDEN RJ, 1953, 522 NAT BUR STAND CI, P189
[10]
HERZOG LF, 1955, 1955 C NUCL GEOPH