Gombos, Andrew M., Jr. (1983): Middle Eocene diatoms from the South Atlantic. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Ludwig, William J., Krasheninnikov, Valery A., Basov, Ivan A., Bayer, Ulf, Bloemendal, Jan, Bornhold, Brian, Ciesielski, Paul F., Goldstein, Elaine H., Robert, Christian, Salloway, John C., Usher, John L., von der Dick, Hans, Weaver, Fred M., Wise, Sherwood W., Jr. (editor), Usher, John L. (editor), Blakeslee, Jan H. (editor), Lee, Marianna, Initial reports of the Deep Sea Drilling Project covering Leg 71 of the cruises of the drilling vessel Glomar Challenger; Valparaiso, Chile, to Santos, Brazil, January-February, 1980, 71, Part 2, 565-573, georefid:1984-009494