| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.20 | INAA |
1992.1 | Personal Commuication,Research Reactor Inst., Kyoto University, Japan | | | | T.Takeuchi |
| 0.24 | INAA |
1994 | Personal Communication, The Open University, UK | | | | P.Potts |
| 0.09 | ICPMS |
1994 | Personal communication, National Geophysical Research Institute | | | | V.Balaram |
| 0.33 | INAA |
1994 | Personal communication,Lund Univ., Sweeden | | | | Zoltan Solyom |
| <4 | XRF |
1998 | Personal communication,GEOMAR,Germany | | | | K.Wolf |
| 0.20 | ICPMS |
1998 | Personal communication,M.Watanabe,MKK,Tokyo, Japan | | | | M.Watanabe |
| 0.10 | NAA |
1998 | Personal communication,Lucas Heights Science and Technology center ,Australia | | | | H.Waldron |
| 0.2 | ICPMS |
1998 | Personal communcation,Universite de Liege,Belgium | | | | I.Roelandts |
| 〈10 | XRF |
1999 | Personal communication,Institute of Geology,Estonia | | | | T.Kiipli |
| 1 | XRF |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 0.15 | ICPMS |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 1 | XRF |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| 0.15 | ICPMS |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| 0.1 | ICPMS |
2001 | Reference Materials for Geochmical Studies: New Analytical Data by ICP-MS and Critical Discussion of Reference Values | Geostandards Newsletter | 25 | 87-125 | P. Dulski |
| <1 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |