| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| <0.01 | VOLU |
1986.08 | Personal communication, Japan Chem. Anal. Center | | | | S.Suzuki |
| <0.01 | VOLU |
1986.1 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy, R.Sumner, R.Francis, J.Hegarty and S. |
| 0.04 | VOLU |
1987.01 | Personal communication, Universite de Liege, Liege, Belgium | | | | I.Roelandts and G.Bologne |
| 0.01 | COLOR |
1987.07 | Personal communication, ETH Inst. Krist. Krist. Petr.,Zurich, Switzerland | | | | B.Ayranci |
| 0.05 | VOLU |
1987.07 | Personal communication, BMG, Philippines | | | | E.M.Macalalad |
| <0.03 | COLOR |
1988.1 | Elemental concentrations in Japanese silicate rock standards: A comparison with the literature | Geost. Newsletter | 12 | 379-389 | K.W.Sims, E.S.Gladney, C.Lundstrom and N.W.Bower |