“THE LATE ALBIAN GENUS SEMENOVICERAS (HOPLITIDAE, AMMONITINA): PALAEONTOLOGIC STUDY OF A FAUNA OF THE SEMENOVICERAS LITSCHKOVI ZONE FROM MANGYSHLAK (WEST KHAZAKSTAN)”. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , vol. 103, no. 3, Nov. 1997, https://doi.org/10.13130/2039-4942/5295.