| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 3960 | ISE |
1990.04 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy, J.Hegarty, P.Smith, R.Sumner, S.Mckeo |
| 1200 | UU |
1990.05 | Personal Communication, U.S. Geological Survey, Lakewood | | | | J.S.Kane, J.G.Crock, W.H.Ficklin, C.S.Papp and J.D |
| 4244 | FAA |
1990 | Personal communication, U.S. Geological Survey | | | | H.N.Elsheimer and |
| 4187 | ISE |
1991.09 | Major and trace elemental abundances of the GSJ sedimentary rock reference samples | J.Japan Assoc.Min. Pet.Econ.Geol | 86 | 432-437 | K.Ishikawa,T.Yoshida and |
| 2430 | CHEM |
1994 | Personal Communication, Czech Geol. surv, Czech Republic | | | | I.Rubeska |
| 3348 | XRF |
1996 | Personal communication,Bremen Univ., Germany | | | | M.Zuther |