| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 1.43 | AA |
1983 | Personal communication, Tokyo Univ., Japan | | | | T.Inoue |
| 1 | OES |
1972 | Personal communication, Zentrales Geologishes Institut, Berlin, Germany | | | | K.Schmidt |
| 1.6 | AA |
1973 | Atomic absorption analysis of beryllium and vanadium in rocks. | Bunseki Kagaku | 22 | 1317-1323 | S.Terashima |
| 1.0 | NAA |
1977.04 | Depth profiles of chemical elements in pelagic clay sediments | Geoch. J. | 11 | 171-176 | S.Tanaka, S.Shibata, P.Y.Chen, C.H.Ke and S.J.Yeh |
| 1.6 | AA |
1987.07 | Personal communication, BMG, Philippines | | | | E.M.Macalalad |
| 1.37 | SIMS |
1989.1 | Quantitative SIMS of rock reference samples | Geoch. J. | 23 | 215-236 | H.Yurimoto, A.Yamashita, N.Nishida and S.Sueno |
| 1.28 | 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 |
| 1.33 | FAA |
1986 | Determination of beryllium in environmental sediments by electrothermal atomic absorption (Japanese) | Mizu kankyo Gakkai si | 19 | 795-802 | M.Ogura and K.Saitoh |