| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| 0.20 | CHEM |
1981 | Uranium, thorium and potassium in reference samples | Geostandards Newsletter | 5 | 109-111 | Y.I.Belyaev and O.P.Sobornov |
| 0.27 | CHEM |
1968 | Quated in K.Govindaraju (1968, 1969). | | | | M.Vernet |
| 0.17 | CHEM |
1970 | Quated in K.Nagashima (1970) | | | | T.Uchida |
| 0.15 | CHEM |
1970 | Quoted in K.Nagashima (1970) | | | | K.Nakao |
| 0.14 | CHEM |
1970 | Personal communication, Geological Survey of Japan | | | | T.Omori |
| 0.21 | CHEM |
1975.01 | Personal communication, Service Analyse et Contro, Complexe Scientifique, Canada. | | | | J. Gagnon |
| 0.15 | CHEM |
1979 | Personal communication, Dalhousie Univ., Halifax, Canada. | | | | Muecke |
| 0.1170 | VOLU |
1982.08 | Personal communication, Okayama University, Japan | | | | A.Ueda |
| 0.137 | CHEM |
1994 | Personal Communication, Czech Geol. surv, Czech Republic | | | | I.Rubeska |