Hsu, K. J. (1978): Stratigraphy of the lacustrine sedimentation in the Black Sea. 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, 509-524, georefid:1978-030483