| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 200 | OES | 1990.04 | Personal communication, Geological Survey of India | B.G.Rao | |||
| 145 | XRF | 1990.04 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | H.A.Olszowy, J.Hegarty, P.Smith, R.Sumner, S.Mckeo | |||
| 192 | NAA | 1990 | Personal Communication, Los Aramos, USA | E.S.Gladney | |||
| 194 | XRF | 1996 | Personal communication,Bremen Univ., Germany | M.Zuther |