Schneider, Cynthia E.; Kennett, James P. (1991): Oxygen isotopic evidence for seasonal or vertical segregation of ancestor and descendant species within the Neogene planktonic foraminifera lineage Globorotalia (Globoconella). Geological Society of America (GSA), Boulder, CO, United States, In: Anonymous, Geological Society of America, 1991 annual meeting abstracts with programs, 23 (5), 34-35, georefid:1992-013632