Snyder, Scott W.; Muller, Carla; Townsend, Hilary A.; Miller, Kenneth G. (1982): Eocene-Oligocene boundary at Site 549, DSDP Leg 80; foraminiferal, nannoplankton, and paleomagnetic analyses. Geological Society of America (GSA), Boulder, CO, United States, In: The Geological Society of America, 95th annual meeting, 14 (7), 621, georefid:1986-043211