00556naa#a2200157#i#450# EN\\bibl\47047 20241123184944.6 1681-1208 20050425b2005####ek#y0engy0150####ca RU Boundary between the Permian and Triassic rocks in the Moscow Syneclise reconstructed from the rock sequences exposed in the Kichmenga River basin Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2005 7 с. Journal article local Burov B V rjes.ru