¹O. I. Yakovlev, ¹K. M. Ryazantsev, ¹S. I. Shornikov
Geochemistry International 56, 71-74 Link to Article [DOI
https://doi.org/10.1134/S001670291801010X]
¹Vernadsky Institute of Geochemistry and Analytical ChemistryRussian Academy of SciencesMoscowRussia

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