Bukry, David; Bramlette, M. N. (1970): Coccolith age determinations leg 5, Deep Sea Drilling Project, Chapter 18. 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, 487-494, georefid:1970-039327