Schrader, H. J. (1978): Quaternary through Neogene history of the Black Sea; deduced from the paleoecology of diatoms, silicoflagellates, ebridians, and chrysomonads. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Usher, J. L. (editor), Supko, P. (editor), Leg 42B, Istanbul, Turkey, to Istanbul, Turkey, May-June 1975, 42, Part 2, 789-901, georefid:1978-030509