Danelian T, Serobyan V, Hairapetian V, Tsatryan M, Khachatryan S, Yeghiazaryan M, Avagyan N, Hambardzumyan T, Kirakosyan G, Harutyunyan L, Lokteva V, Gasparyan A, Grigoryan A. Recent progress in the bio- and chronostratigraphic understanding of the upper Frasnian (Upper Devonian) sedimentary sequences in Armenia: Upper Frasnian Bio‑ and Chronostratigraphy of Armenian Sedimentary Sequences. REPNAS [Internet]. 2025 Sep. 25 [cited 2025 Oct. 27];125(2):190. Available from: https://reports.sci.am/index.php/reports/article/view/5