| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| 4 | AA |
1990.04 | Personal communication, Geological Survey of India | | | | B.G.Rao |
| <2 | OES |
1990.05 | Personal Communication, U.S. Geological Survey, Lakewood | | | | J.S.Kane, J.G.Crock, P.H.Briggs and D.L.Fey |
| 1.040 | AA |
1991.01 | Personal communication, Geological Survey of Japan | | | | S.Terashima |
| <4 | NAA |
1990 | Personal Communication, Los Aramos, USA | | | | E.S.Gladney |
| 1.34 | AA |
1997 | Personal Communication,SKK,Japan | | | | |
| 1.0 | ICPES |
1999 | Personal Communication, Chemex, Canada | | | | Chemex |
| 4.66 | ICPES |
2002 | Personal Communication, Chemex lab., Canada | | | | Chemex |