Schiebel, Ralf (2002): Planktic foraminiferal sedimentation and the marine calcite budget. Global Biogeochemical Cycles, 16(4), 1065, doi:10.1029/2001GB001459
Schiebel, Ralf; Waniek, Joanna J; Bork, Matthias; Hemleben, Christoph (2001): Planktic foraminiferal production stimulated by chlorophyll redistribution and entrainment of nutrients. Deep Sea Research Part I: Oceanographic Research Papers, 48(3), 721-740, doi:10.1016/S0967-0637(00)00065-0