White-Tailed Eagle in the Republic of Tatarstan von Bekmansurov, R.H., Bekmansurova, N.V., Kostin, E.S., Gorshkov, Yu.A., Karyakin, I.V.

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INCREASED PRODUCTION RATE OF AMMONIA BY PULSED HEATING von SADLE, E.S., KOSTIN, M.D.

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METHOD OF EXPLORING GERMANIUM ORE BODIES IN COAL BEDS von Sharova I.G, Levitskij V.V, Mejtov E.S, Al'tgauzen M.M, Kostin Ju.P, Bur'janov A.V

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