00558naa#a2200181#i#450# EN\\bibl\47120 20240503204628.5 1681-1208 19990225b1999####ek#y0engy0150####ca RU Paleozoic stage of the Don-Medveditsa dislocations development East European platform Journal article Moscow Geophysical Center of the Russian Academy of Sciences 1999 13 с. Journal article local Bolotov S N Ustinova M A Nikolaev V G rjes.ru