共 8 条
[1]
Akishin P. A., 1957, GEOCHEMISTRY, P500
[3]
ABSOLUTE ISOTOPIC ABUNDANCE RATIOS OF COMMON EQUAL-ATOM AND RADIOGENIC LEAD ISOTOPIC STANDARDS
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION A-PHYSICS AND CHEMISTRY,
1968, A 72 (03)
:261-+
[5]
KANASEWICH ER, 1963, GEOCHIM COSMOCHIM AC, V28, P541
[6]
MCKOWN HS, 1965, MAY ASTM ST LOU M
[7]
MOHLER FL, 1960, 51 NAT BUR STAND TEC
[8]
WHITE FA, 1954, APPL SPECTROSC, V8, P17