| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 5.99 | ICPMS | 1997 | Personal communication,Koberuko Co., Japan | Someya | |||
| 10 | XRF | 1998 | Collaborative Study of two new GSJ Geochemical Reference Materials :Basalt JB-1b and Coal Fly Ash JCFA-1 | Analytical Results | S.Pierdzig and O.Krause | ||
| 6.15 | ICPMS | 1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | C. Knaack, S. Cornelius and P. Hooper | |||
| 6.15 | ICPMS | 2000 | Personarl Communication,Washington State University | D. Johnson |