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Some strategic metals from dictyonema shale and the prospects of their extraction
Yanson, Y. M., Aleksandrova, T. N.
Mining informational and analytical bulletin
Aasta: 2015 | Leheküljed: 222-229 | artikkel ajakirjas
Geological commercial evaluation of ore existence of dictyonema shales and obolus sandstones of the Baltic sedimentary basin
Balakhonova, A. S., Vyalov, V. I., Nezhensky, I. A., Semenov, E. V., Mirhalevskaya, N. V.
Regional geology and metallogeny
Aasta: 2013 | Köide: 56 | Leheküljed: 88-93 | artikkel ajakirjas