Rea, D. K.; Hovan, S. A.; Owen, R. M.; Dickens, G. (1991): Sequence and timing of the several events of the Paleocene-Eocene transition. Geological Society of America (GSA), Boulder, CO, United States, In: Anonymous, Geological Society of America, 1991 annual meeting, 23 (5), 142, georefid:1995-060464