Агат и мрамор. Обзор статей про минералы из журналов “Уральский следопыт“ за 2020 год.
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CREATOR видео (продюссер, режисер, оператор, звукооператор, монтажёр, голос в кадре) - [|Светлана Евгеньевна Филинкова]
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