Leighton, L.; Leckie, M. (1994): Foraminiferal paleoecology and sea level history of an upper Campanian chalk unit, Ocean Drilling Program Site 627, western North Atlantic. [University of California, Museum of Paleontology], Berkeley, CA, United States, In: Langer, Martin R. (editor), Bagi, Harmeet (editor), Forams '94; international symposium on Foraminifera, 16 (2, Suppl.), 43, georefid:2008-121069