Joron, J. L.; Briqueu, Louis; Bougault, H.; Treuil, M. (1980): East Pacific Rise, Galapagos spreading center and Siqueiros fracture zone, Deep Sea Drilling Leg Project 54; hygromagmaphile elements, a comparison with the North Atlantic. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Powell, Robert (editor), Rosendahl, Bruce R., Hekinian, Roger, Briqueu, Louis, Dmitriev, Yuri, Fodor, Ronald V., Goll, Robert M., Hoffert, Michel, Humphris, Susan E., Mattey, David P., Natland, James H., Petersen, Nikolai, Roggenthen, William, Schrader, Edward L., Srivastava, Ramesh K., Warren, Nick, Barron, John A., Bukry, David, Lynts, George W., Leg 54 of the cruises of the drilling vessel Glomar Challenger; Cristobal, Panama Canal Zone to Long Beach, California; May-June 1977, 54, 725-736, georefid:1981-038743