| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 3.9 | HAA | 1998 | Personal communication,GSJ,Japan | S.Terashima | |||
| 4.2 | 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 | ||
| 3 | OES | 1999 | Personarl Communication, Institute of Geology, Estonia | T. Kiipli | |||
| 5.0 | EXRF | 2002 | Personal Communication, Southern Connecticut State Univ., USA | T. Fleming |