| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| +4.0 | MS | 1982.08 | Personal communication, Okayama University, Japan | A.Ueda | |||
| +4.0 | EPMA | 1984 | Sulfur isotope study of Quaternary volcanic rocks from the Japanese islands arc | Geoch. Cosmo. Acta | 48 | 1837-1848 | A.Ueda and H.Sakai |