1. A. S. Biakov, A. V. Prokopiev, R. V. Kutygin, I. L. Vedernikov, and I. V. Budnikov, “Geodynamic environment of Permian sedimentary basins formation of the Verkhoyansk—Kolyma folded area,” Otechestvennaya Geol., No. 5, 81–85 (2005) [in Russian].
2. 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].
3. A. S. Biakov, “A new Permian bivalve zonal scale of Northeastern Asia. Article 1: Zonal subdivision,” Russ. J. Pac. Geol. 6 (5), 349–368 (2012).
4. A. S. Biakov, “A new Permian bivalve zonal scale of Northeastern Asia. Article 2: Correlation problems,” Russ. J. Pac. Geol. 7 (1), 1–15 (2013).
5. A. S. Biakov, M. Horacek, N. A. Goryachev, I. L. Vedernikov, and Yu. D. Zakharov, “The first detailed δ13Corg record in Permo-Triassic boundary deposits in the Kolyma–Omolon region (Northeast Asia),” Dokl. Earth Sci. 474 (1), 591–594 (2017).