| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| <3 | OES |
1968 | Personal communication, Geological Survey of Canada. | | | | W.H. Champ |
| 2.4 | OES |
1973.06 | Personal communication, Geological Survey of Canada. | | | | W.H. Champ and G.P. Bender |
| 3.3 | AA |
1973 | Atomic absorption analysis of beryllium and vanadium in rocks. | Bunseki Kagaku | 22 | 1317-1323 | S.Terashima |
| 2.89 | AA |
1983 | Personal communication, Tokyo Univ., Japan | | | | T.Inoue |
| 4 | AA |
1987.07 | Personal communication, BMG, Philippines | | | | E.M.Macalalad |
| 3.1 | ICPMS |
1990.06 | Multielement analysis of rocks with the use of geological certified reference material by inductively coupled plasma mass spectrometry | Analytical sciences | 6 | 389-395 | N.Imai |
| 3.21 | 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 |
| 2.93 | 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 |