Hobart, Michael A.; Langseth, Marcus G.; Anderson, Roger N. (1985): A geothermal and geophysical survey on the south flank of the Costa Rica Rift; sites 504 and 505. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Anderson, Roger N., Honnorez, Jose, Adamson, Andrew C., Alt, Jeffrey C., Emmermann, Rolf, Kempton, Pamela D., Kinoshita, Hajimu, Leverne, Christine, Mottl, Michael J., Newmark, Robin L., Becker, Keir, Initial reports of the Deep Sea Drilling Project, covering Leg 83 of the cruises of the Drilling Vessel Glomar Challenger, Balboa, Panama to Balboa, Panama, November 1981- January 1982, 83, 379-404, georefid:1985-059460