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. (ed.); Herring, James R. (ed.) (1973): 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. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 15, 1137 pp., georefid:1983-010580