For citations:
Smirnov P.V. Opoka: Polymorphic composition, genesis, Problems of study. Georesursy = Georesources. 2024;26(2):135–154. https://doi.org/10.18599/grs.2024.2.1
Smirnov P.V. Opoka: Polymorphic composition, genesis, Problems of study. Georesursy = Georesources. 2024;26(2):135–154. https://doi.org/10.18599/grs.2024.2.1