Palacas, James G.; King, J. David; Claypool, George E.; Magoon, Leslie B., III (1984): Origin of asphalt and adjacent oil stains in Lower Cretaceous fractured limestones, Deep Sea Drilling Project Leg 77. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Buffler, Richard T., Schlager, Wolfgang, Bowdler, Jay L., Cotillon, Pierre H., Halley, Robert B., Kinoshita, Hajimu, Magoon, Leslie B., III, McNulty, Charles L., Patton, James W., Premoli Silva, Isabella, Suarez, Otmara Avello, Testarmata, Margaret M., Tyson, Richard V., Watkins, David K., Pisciotto, Kenneth A. (editor), Initial reports of the Deep Sea Drilling Project, covering Leg 77 of the cruises of the drilling vessel Glomar Challenger; Ft. Lauderdale, Florida to San Juan, Puerto Rico, December 1980-February 1981, 77, 477-488, georefid:1985-028262