검색결과 : 4건
| No. | Article |
|---|---|
| 1 |
RESOURCES, PRODUCTION AND PROCESSING OF BALTOSCANDIAN MULTIMETAL BLACK SHALES Lippmaa E, Maremae E, Pihlak AT Oil Shale, 28(1), 68, 2011 |
| 2 |
ESTONIAN GRAPTOLITIC ARGILLITES - ANCIENT ORES OR FUTURE FUELS? Lippmaa E, Maremae E, Pihlak AT, Aguraiuja R Oil Shale, 26(4), 530, 2009 |
| 3 |
Radiogenic uranium-234 in humus acids of graptolitic argillite Bogdanov R, Ozernaya S, Pihlak AT, Timofeev S Oil Shale, 24(1), 73, 2007 |
| 4 |
Water radiolysis, a possible source of atmospheric oxygen Bogdanov R, Pihlak AT Oil Shale, 19(1), 75, 2002 |