Roth, Peter H. (1983): Jurassic and Lower Cretaceous calcareous nannofossils in the western North Atlantic (Site 534); biostratigraphy, preservation, and some observations on biogeography and paleoceanography. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Sheridan, Robert E., Gradstein, Felix M., Barnard, Leo A., Bliefnick, Deborah M., Habib, Daniel, Jenden, Peter D., Kagami, Hideo, Keenan, Everly, Kostecki, John, Kvenvolden, Keith A., Moullade, Michel, Ogg, James G., Robertson, Alastair H. F., Roth, Peter H., Shipley, Thomas H., Bowdler, Jay L., Cotillon, Pierre H., Halley, Robert B., Kinoshita, Hajimu, Patton, James W., Pisciotto, Kenneth A., Premoli-Silva, Isabella, Testarmata, Margaret M., Watkins, David K., Orlofsky, Susan (editor), Initial reports of the Deep Sea Drilling Project covering Leg 76 of the cruises of the drilling vessel Glomar Challenger, Norfolk, Virginia to Fort Lauderdale, Florida, October-December, 1980, 76, 587-621, georefid:1984-030562