共 15 条
- [1] CANTANZARO EJ, 1967, J GEOPHYS RES, V72, P1325
- [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 - +
- [4] LEAD ISOTOPIC ANALYSIS USING A DOUBLE SPIKE [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1969, 74 (17): : 4338 - &
- [6] COOPER JA, 1966, EARTH PLANET SC LETT, V1, P58
- [7] A THEORETICAL STUDY OF USE OF INTERNAL STANDARDS FOR PRECISE ISOTOPIC ANALYSIS BY SURFACE IONIZATION TECHNIQUE .1. GENERAL FIRST-ORDER ALGEBRAIC SOLUTIONS [J]. JOURNAL OF SCIENTIFIC INSTRUMENTS, 1963, 40 (06): : 289 - &
- [8] DOE BR, 1967, 575B US GEOL SURV PR, pB170
- [10] The possibility of separating isotopes. [J]. PHILOSOPHICAL MAGAZINE, 1919, 37 (221): : 523 - 534