Estimations of Clarkes for Carbonaceous biolithes: World averages for trace element contents in black shales and coals von Ketris, M.P., Yudovich, Ya.E.

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Titanium Barrier in Phosphorus Geochemistry von Yudovich, Ya. E., Ketris, M. P., Kotova, O. B., Ponaryadov, A. V., Rybina, N. V.

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Arsenic in coal: a review von Yudovich, Ya.E., Ketris, M.P.

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Mercury in coal: a review Part 2. Coal use and environmental problems von Yudovich, Ya.E., Ketris, M.P.

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Chromium geochemistry – a forgotten key to the issues of geology in the Northern Urals von Yudovich, Ya. E., Ketris, M. P.

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Selenium in coal: A review von Yudovich, Ya.E., Ketris, M.P.

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Chlorine in coal: A review von Yudovich, Ya.E., Ketris, M.P.

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Main empirical regularities of the phosphorus geochemistry in the hypergenesis von Yudovich, Ya. E., Ketris, M. P., Rybina, N. V.

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Lithochemistry of the upper Precambrian deposits of the Manitanyrd Ridge, the Polar Urals von Yudovich, Ya. E., Ketris, M. P., Nikulova, N. Yu, Shvetsova, I. V., Filippov, V. N.

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Mercury in coal: a review von Yudovich, Ya. E., Ketris, M.P.

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Chlorine in coal : A review von YUDOVICH, Ya. E, KETRIS, M. P

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Selenium in coal : A review von YUDOVICH, Ya. E, KETRIS, M. P

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Mercury in coal: a review. Part 2. Coal use and environmental problems von YUDOVICH, Ya. E, KETRIS, M. P

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Arsenic in coal: a review von YUDOVICH, Ya. E, KETRIS, M. P

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Mercury in coal: a review. Part 1. Geochemistry von YUDOVICH, Ya. E, KETRIS, M. P

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