Langseth, Marcus G.; Cann, J. R.; Natland, James H.; Hobart, M. (1983): Geothermal phenomena at the Costa Rica Rift; background and objectives for drilling at Deep Sea Drilling Project sites 501, 504, and 505. 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, 5-29, georefid:1983-052486