00681naa#a2200205#i#450# EN\\bibl\57765 20241203200756.2 1681-1208 20221231b2022####ek#y0engy0150####ca RU Tephrostratigraphy of Jurassic-Cretaceous boundary beds of Western Siberia Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2022 58 с. Journal article local Panchenko Ivan Vladimirovich Rogov Mikhail Alekseevich Sobolev Ivan Dmitrievich Latyshev Anton Valeryevich Zakharov Victor Aleksandrovich rjes.ru