Fenner, Juliane M. (1984): Middle Eocene to Oligocene planktonic diatom stratigraphy from Deep Sea Drilling sites in the South Atlantic, Equatorial Pacific, and Indian oceans. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Hay, William W., Sibuet, Jean-Claude, Barron, Eric J., Brassell, Simon C., Dean, Walter E., Huc, Alain Y., Keating, Barbara H., McNulty, Charles L., Meyers, Philip A., Nohara, Masato, Schallreuter, Roger E. L., Steinmetz, John C., Stow, Dorrik A. V., Stradner, Herbert, Boyce, Robert E., Amidei, Rosemary (editor), Initial reports of the Deep Sea Drilling Project covering Leg 75 of the cruises of the drilling vessel Glomar Challenger, Walvis Bay, South Africa to Recife, Brazil, July-September, 1980, 75 (Part 2), 1245-1271, georefid:1985-008628