| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| <50 | OES |
1990.04 | Personal communication, Geological Survey of India | | | | B.G.Rao |
| 24 | XRF |
1990.04 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy, J.Hegarty, P.Smith, R.Sumner, S.Mckeo |
| 4.7 | NAA |
1990 | Personal Communication, Los Aramos, USA | | | | E.S.Gladney |
| 5 | XRF |
1996 | Personal communication,Bremen Univ., Germany | | | | M.Zuther |
| 4.07 | NAA |
1998 | Personal communication,Lucas Heights Science and Technology center ,Australia | | | | H.Waldron |