| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| <1 | AA | 1988.01 | Personal communication, BMG, Philippines | E.M.Macalalad | |||
| <0.1 | AA | 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, |
| <0.1 | ICPES | 1998 | Personal communication,Association of cement,Tokyo,Japan | H.Anzai |