Vincent, Edith (1974): Cenozoic planktonic biostratigraphy and paleoceanography of the tropical western Indian Ocean. 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), 1111-1150, georefid:1976-006203