Abramovich, Sigal; Keller, Gerta; Stueben, Doris; Berner, Zsolt (2003): Characterization of late Campanian and Maastrichtian planktonic foraminiferal depth habitats and vital activities based on stable isotopes. Elsevier, Amsterdam, Netherlands, Palaeogeography, Palaeoclimatology, Palaeoecology, 202 (1-2), 1-29, georefid:2004-014601