Becker, Keir; Graham, Anne Gilbert; Alt, Jeffrey C.; Bayhurst, Gregory K.; Christaras, Basil G.; Gable, Robert; Krammer, Anton; Magenheim, Andrew J.; Morin, Roger H.; Solbau, Raymond D.; Stewart, Norman J. (ed.) (1992): Proceedings of the Ocean Drilling Program, Costa Rica Rift, covering Leg 137 of the cruise of the drilling vessel JOIDES Resolution, Honolulu, Hawaii to Balboa, Panama, Site 504, 20 March 1991-1 May 1991. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Proceedings of the Ocean Drilling Program, Part A: Initial Reports, 137, 92 pp., georefid:1992-061873