| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 15.56 | MS | 1993 | Determination of lead isotope ratio of GSJ rock reference samples | Bull.Geol.Surv.Japan | 44 | 649-657 | A.Matsumoto, Y.Hirao and S.Togashi |
| 15.601 | MS | 1990 | Lead Isotope Analyses of Standard Rock Samples | Mass spectroscopy | 38 | 241-251 | Y.Koide and E.Nakamura |