1. Yu. A. Balashov, Geochemistry of Rare-Earth Elements (Nauka, Moscow, 1976) [in Russian].
2. I. V. Bryn’ko, G. O. Polzunenkov, and A. S. Biakov, “New U-Pb (SHRIMP-II) data on zircon from Middle Permian deposits of the Omolon massif, Northeast Russia,” Late Paleozoic Sedimentary Planetary Systems: Stratigraphy, Geochronology, and Hydrocarbon Resources. Golovkinsky Proc. Intern. Stratigraph. Conf., Russia, Kazan, 2019 (Kazan. Univ., Kazan, 2019), pp. 68–69 [in Russian].
3. I. V. Brynko, G. O. Polzunenkov, A. S. Biakov and I. L. Vedernikov, “The first U-Pb SHRIMP dating of zircons from Capitanian (Middle Permian) deposits of the Omolon Massif (Northeast Russia),” Russ. J. Pac. Geol. 15 (1), 51–59 (2021).
4. A. S. Biakov, A. V. Prokop’ev, R. V. Kutygin, I. L. Vedernikov, and I. V. Budnikov, “Geodynamic formation environments of Permian sedimentary basins in Verkhoyansk-Kolyma folded area,” Otechestven. Geol. 5, 81–85 (2005) [in Russian].
5. A. S. Biakov, Zonal Stratigraphy, Event Correlation, and Paleobiogeography of the Permian of Northeast Asia Based on Bivalves (SVKNII DVO RAN, Magadan, (2010) [in Russian with English summary].