Bukry, David (1970): Coccolith age determinations, leg 2, Deep Sea Drilling Project, (Chapter) 13 in initial reports of the Deep Sea Drilling Project - v. 2, leg 2 of cruises of "Glomar Challenger", Hoboken, N.J., to Dakar, Senegal, Oct.-Nov. 1968. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 2, 349-355, georefid:1970-035171