| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| 50 | OES | 1990.04 | Personal communication, Geological Survey of India | B.G.Rao | |||
| 63.4 | ICPES | 1998 | Personal communication,GSJ,Japan | S.Terashima | |||
| 63.4 | ICPES | 1998 | Alkali fusion/ICP-AES for the determination of boron in geological reference materials and a comperison with spectrophotometry | BUNSEKI KAGAKU | 47 | 451-454 | S.Terashima,T.Okai and M.Taniguchi |