Popescu, Speranta-Maria (2006): Late Miocene and early Pliocene environments in the southwestern Black Sea region from high-resolution palynology of DSDP Site 380A (Leg 42B). Elsevier, Amsterdam, Netherlands, In: Agusti, Jordi (editor), Oms, Oriol (editor), Meulenkamp, Johan E. (editor), Late Miocene to early Pliocene environment and climate change in the Mediterranean area, 238 (1-4), 64-77, georefid:2006-076145