Dubyna O, Kryvdik S, Belskyy V, Vyshnevskyi О. Features of berillium and rare metal mineralization  in syenite of the Perga deposit (Ukrainian shield). Вісник: Геологія [Internet]. 2020 Mar. 31 [cited 2026 Oct. 11];1(88):92-7. Available from: https://geology.bulletin.knu.ua/en/article/view/1187