| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 2.4090 | AA |
1987.12 | Personal communication, Vernadsky Inst. Geoch. Anal. Chem.,USSR | | | | B.F.Myasoedov |
| 2.42 | NAA |
1988.12 | Neutron activation analysis of Japanese standard rock samples II | Bull. Natn. Sci. Mus.,Tokyo Ser. E | 11 | 9-16 | F.Wakabayashi |
| 2.10 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| 22.5 | ICPMS |
1996 | Simultaneous multe-element analysis of aquatic suspended perticulate matter | Bunseki Kagaku | 45 | 667-675 | M.Sugiyama |