TY - RPRT TI - Oceanic crust forms basement of eastern Panamá AU - J. E. Case PY - 1974 DO - 10.1130/0016-7606(1974)85<645:ocfboe>2.0.co;2 UR - https://pubs.usgs.gov/publication/70247305 ID - 70247305 ER -