Brown, S.; Downie, C. (1984): Dinoflagellate cyst biostratigraphy of late Paleocene and early Eocene sediments from holes 552, 553A, and 555, Leg 81, Deep Sea Drilling Project (Rockall Plateau). Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Roberts, David G., Schnitker, Detmar, Baldauf, Jack G., Desprairies, Alain, Homrighausen, Reiner, Huddlestun, Paul F., Kaltenback, Alfred J., Krumsiek, Klaus A. O., Morton, Andrew C., Murray, John W., Westberg-Smith, M. Jean, Zimmerman, Herman B., Keene, John B., Backman, Jan (editor), Initial reports of the Deep Sea Drilling Project covering Leg 81 of the cruises of the drilling vessel Glomar Challenger; Southampton, United Kingdom, to Ponta Delgada, Azores Islands, July-September, 1981, 81, 565-579, georefid:1985-047609