Olsson, Richard K. (1973): Growth studies on Globorotalia exilis Blow and Globorotalia pertenuis Beard in the Site 154A section, Leg 15, Deep Sea Drilling Project. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Edgar, N. Terence, Saunders, John B., Bolli, Hans M., Boyce, Robert E., Broecker, Wallace S., Donnelly, Thomas W., Gieskes, Joris M., Hay, William W., Horowitz, Ross M., Maurrasse, Florentin, Perez Nieto, Hernan, Prell, Warren, Premoli Silva, Isabella, Riedel, William R., Schneidermann, Nahum, Waterman, Lee S., Kaneps, Ansis G. (editor), Herring, James R. (editor), Initial reports of the Deep Sea Drilling Project, covering Leg 15 of the cruises of the drilling vessel Glomar Challenger, San Juan, Puerto Rico to Cristobal, Panama; December 1970-February 1971, 15, 617-624, georefid:1983-010594