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Maria Dergacheva, Olga Nekrasova, Leonid Rikhvanov and Dmitry Zdanovich
This article analyzes the lanthanum, cerium, samarium, europium, terbium, ytterbium, lutetium, uranium, and thorium content in humic acids within soil and paleosol surface horizons from the southern steppe in the Southern Urals. Research demonstrates sim...
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