Autio, L. K.; Rhodes, J. M. (1983): Costa Rica Rift zone basalts; geochemical and experimental data from a possible example of multistage melting. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Cann, J. R., Langseth, Marcus G., Honnorez, Jose, Von Herzen, Richard P., White, S. M., Bacon, Michael P., Anderson, Roger N., Lawrence, James R., Natland, James H., Nekhoroshkov, Vladislav L., Pertsev, Nikolai N., Ponomarev, Vladimir N., Zoback, Mark D., Adamson, A. C., Barrett, Timothy J., Becker, Keir, Beiersdorf, Helmut, Bender, Michael, Borella, Peter E., Furuta, Toshio, Hubberten, Hans-Wolfgang, Jones, Steven C., Karato, Shun-ichiro, Laverne, Christine, Levi, Shaul, Migdisov, Areg G., Moorby, S. Anthony, Mottl, Michael J., Noack, Yves, Sancetta, Constance A., Schrader, Edward L., Wilkens, Roy H., Stout, Larry N. (editor), Bailey, Marian G. (editor), Initial reports of the Deep Sea Drilling Project covering Leg 68 (Site 501), Leg 69, and Leg 70 (Site 504) of the cruises of the drilling vessel Glomar Challenger, Puntarenas, Costa Rica to Balboa, Panama, July-December 1979, 69, 729-745, georefid:1983-052533