| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 15.61 | MS | 1988 | Accurate determination of lead in rock standard reference materials by isotope dilution surface ionization MS | Bunseki Kagaku | 37 | 1-6 | S.Nakamura, S.Kawahara, M.Hamada, A.Matsuo, K.Suga |
| 15.637 | MS | 1990 | Lead Isotope Analyses of Standard Rock Samples | Mass spectroscopy | 38 | 241-251 | Y.Koide and E.Nakamura |