| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 12.5 | INAA | 1995 | Personal communication,Michigan Univ., USA | G.J. Dickens | |||
| 12.6 | ICPES | 1997 | Personal communication,GFZ-Potsdam,Germany | E.Kramer and J.Erzinger | |||
| 13.46 | ICPMS | 1998 | Personal communication,M.Watanabe,MKK,Tokyo, Japan | M.Watanabe | |||
| 13.50 | NAA | 1998 | Personal communication,Lucas Heights Science and Technology center ,Australia | H.Waldron | |||
| 11 | XRF | 1999 | Personal Communication,Departement DRO/GM France | J.Etoubleau |