Niebuhr, Randy; Hsin Yi Ling (1985): Mesozoic (Early Cretaceous) radiolarians from Northwest Atlantic, DSDP Hole 534A. American Association of Petroleum Geologists, Tulsa, OK, United States, In: Anonymous, AAPG annual convention with divisions SEPM/EMD/DPA, 69 (2), 292, georefid:1986-038826