Gurov, Y., V. Permiakov, and A. Yamnichenko. “Preservation of Paleoflora in Impact Melt Rocks of the El’gygytgyn Crater on the Chukotka Peninsula (Russia)”. Reports of the National Academy of Sciences of Ukraine, no. 2, Apr. 2024, pp. 52-60, doi:10.15407/dopovidi2019.02.052.