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«THE LATE ALBIAN GENUS SEMENOVICERAS (HOPLITIDAE, AMMONITINA): PALAEONTOLOGIC STUDY OF A FAUNA OF THE SEMENOVICERAS LITSCHKOVI ZONE FROM MANGYSHLAK (WEST KHAZAKSTAN)», RIPS, vol. 103, fasc. 3, nov. 1997, doi: 10.13130/2039-4942/5295.