Ross, D. A. (1978): Black Sea stratigraphy. 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, 17-26, georefid:1978-030470