| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 4.5 | AA |
1984.1 | Personal communication, Geological Survey Prague, Czechoslovakia | | | | B.Moldan |
| 4 | AA |
1984.06 | Personal communication, Rautaruukki oy, Research Centre, Raahe, Finlande | | | | V.Sjoberg |
| 4 | OES |
1984.03 | Personal communication, DDR Zentrales Geologisches Institut, Berlin | | | | Gotte |
| 4.3 | AA |
1987.07 | Personal communication, BMG, Philippines | | | | E.M.Macalalad |
| 3.0 | OES |
1988.02 | Personal communication, USSR Academy of Sciences Siberian Branch | | | | V.P.Afonin |
| 3.6 | SIMS |
1989.1 | Quantitative SIMS of rock reference samples | Geoch. J. | 23 | 215-236 | H.Yurimoto, A.Yamashita, N.Nishida and S.Sueno |
| 3.48 | AA |
1984 | Determinatin of major and minor elements on the six GSJ rock reference samples | Bull. Geol. Surv. Japan | 35 | 171-177 | S.Terashima |
| 3.18 | ICPMS |
1992 | Determination of trace and ultra-trace elements in 32 international geostandards by ICP-MS | Jour.Min.Pet.Econ.Geol | 87 | 107-122 | T.Yoshida,S.Yamasaki and A.Tsumura |
| 3.4 | ICPES |
1992.08 | Personal Communicatoin,Universidade de Brasilia, Brasil | | | | G.R.Boaventura |
| 3.43 | ICPMS |
1995 | Determination of Be,Sc,Ga and Zr in Rocks and Minerals ICP-AES | Atomic Spectroscopy | 16 | 217-218 | N.K.Roy and D.K.Das |