| Niobium and titanium in the thorium-uranium albitites of the Novooleksiivka ore occurrence (Ukrainian shield) |
*I. Mihalchenko (State Institution “The institute of Environmental Geochemistry, National Academy of Sciences of Ukraine”), A. Andreev (Taras Shevchenko National University of Kyiv, Educational-Research Institute “Institute of Geology”), V. Zagorodniy (Physical-Chemical Materials Science Center National Academy of Sciences of Ukraine)
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