Sugarman, Peter J.; Miller, Kenneth G.; Feigenson, Mark D.; Bukry, David (1991): Maestrichtian strontium isotope reference section, Deep Sea Drilling Project Hole 525A. Geological Society of America (GSA), Boulder, CO, United States, In: Anonymous, Geological Society of America, 1991 annual meeting, 23 (5), 339, georefid:1996-016847