Gartner, Stefan, Jr. (1970): Coccolith age determinations leg 5, Deep Sea Drilling Project, Chapter 19. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: McManus, D. A., Initial reports of the Deep Sea Drilling Project; v. 5, Leg 5 of cruises of Glomar Challenger, San Diego, Calif., to Honolulu, Hawaii, Apr.-June 1969, 5, 495-500, georefid:1970-039328