| 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 |
| 1.8 | XRF |
1990.04 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy, J.Hegarty, P.Smith, R.Sumner, S.Mckeo |
| 0.61 | INAA |
1990.1 | Determination of trace element in new reference samples of sedimentary rock series of GSJ by INAA | J. Chengdu College Geol. | 17 | 113-117 | T.Chunhan and L.Xiaolin |
| 2.7 | NAA |
1990 | Personal Communication, Los Aramos, USA | | | | E.S.Gladney |
| 3 | XRF |
1996 | Personal communication,Bremen Univ., Germany | | | | M.Zuther |
| <2 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |