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j d kramers
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Zur Mineralogie, Entstehung und alpinen Metamorphose der Uranvorkommen bei Trun, Graubünden
J. D. Kramers · Kommissionsverlag, Kümmerly & Frey
75 sayfa · 1973
Geology / Hydrothermal deposits / Uranium ores
Geology and development of the Athabasca and Cold Lake oil sands deposits
J. W. Kramers, Grant D. Mossop, Geological Association of Canada, Mineralogical Association of Canada · Geological Association of Canada
48 sayfa · 1987
Oil sands / Guidebooks / Petroleum / Geology