| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 5.95 | GRAV |
1987.08 | Personal communication, Geological Survey of Japan | | | | S.Terashima |
| 6.80 | GRAV |
1987.09 | Personal communication, Japan Chem. Anal. Center | | | | S.Suzuki and H.Fukushima |
| 6.2 | GRAV |
1987.11 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy, R.Sumner, J.Hegarty, P.Smith and P.Fu |
| 6.30 | GRAV |
1988.07 | Personal communication, Universite de Liege, Liege, Belgium | | | | I.Roelandts |
| 6.11 | GRAV |
1990.04 | Elemental concentrations in nine new GSJ rock reference samples 'sedimentary rock series' | Geost. Newsletter | 14 | 1-5 | S.Terashima, A.Ando, T.Okai, Y.Kanai, M.Taniguchi, |
| 6.34 | TITR |
1992 | Personal Communication,Dowa Engineering Co., Ltd.(Anal.Iijima Bunseki Center) | | | | Y.Kinryu |
| 6.905 | CHEM |
1994 | Personal Communication, Czech Geol. surv, Czech Republic | | | | I.Rubeska |
| 6.2 | TITR |
1996 | Personal communication, Institut fur Geowissenschaften,Germany | | | | Frau N.Groschopf |