| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 82 | XRF |
1994 | Personal Communication, The Open University, UK | | | | P.J.Potts |
| 74 | ICPES |
1994 | Personal communication, Universite de Bretagne Occidentale, France | | | | Jo Cotten |
| 73 | ICPES |
1994 | Personal Communcation, Anglia Polytecbnic Univ. , UK | | | | T.Emmett |
| 81.4 | INAA |
1994 | Personal Communication, The Open University, UK | | | | P.Potts |
| 54.96 | ICPMS |
1994 | Personal communication, National Geophysical Research Institute | | | | V.Balaram |
| 78 | INAA |
1994 | Personal communication,Lund Univ., Sweeden | | | | Zoltan Solyom |
| 71.27 | ICPMS |
1994 | Personal communication, National Geophysial Research Instituti, India | | | | V. Balaram |
| 78.1 | XRF |
1995 | Personal communication,Claude Bernard Lyon1 Univ., France | | | | P.Capiez |
| 77 | XRF |
1997 | XRF Analysis of Major and Trace Elements for Silicate Rocks Using Low Dilution Ratio Fused Glass | HUEPS Technical Report-2 | | 1-20 | R.Tanaka and Y.Orihashi |
| 80.71 | ICPMS |
1998 | Personal communication,M.Watanabe,MKK,Tokyo, Japan | | | | M.Watanabe |
| 80.90 | NAA |
1998 | Personal communication,Lucas Heights Science and Technology center ,Australia | | | | H.Waldron |
| 74 | XRF |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 79.8 | ICPMS |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 74 | XRF |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| 79.8 | ICPMS |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| 80 | OES |
1999 | Personarl Communication, Institute of Geology, Estonia | | | | T. Kiipli |