Ryan, William B. F. (1973): The Pliocene record in deep-sea Mediterranean sediments. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Ryan, William B. F., Hsue, Kenneth J., Cita, Maria B., Dumitrica, Paulian, Lort, Jennifer M., Maync, Wolf, Nesteroff, Wladimir D., Pautot, Guy, Stradner, Herbert, Wezel, Forese C., Kaneps, Ansis G. (editor), Initial reports of the Deep Sea Drilling Project, covering Leg 13 of the cruises of the drilling vessel Glomar Challenger Lisbon, Portugal to Lisbon, Portugal, August-October 1970, 13, Part 2, 1341-1343, georefid:1983-030155