Bukry, D. (1974): Coccolith zonation of cores from the western Indian Ocean and the Gulf of Aden, Deep Sea Drilling Project Leg 24. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 24 (Djibouti, F.T.A.I. to Port Louis, Mauritius, May-June 1972), 995-996, georefid:1976-006200