Nesina N. OCCURRENCE OF THE LATE-SERPUKHOVIAN BIOGERMS IN THE NORTH-EASTERN PART OF THE DON-DNIEPER SAG (BASED ON SEISMIC-FACIES ANALYSIS AND GEO-SCIENCE LITERATURE REVIEW). Вісник: Геологія. 2025;1(72):70-75. doi:10.17721/1728-2713.72.10