by Gill, Richardson B., Mayewski, Paul A., Nyberg, Johan, Haug, Gerald H., Peterson, Larry C.
Published in Ancient Mesoamerica (01.10.2007)

by Gill, Richardson B., Keating, Jerome P.
Published in Ancient Mesoamerica (2002)

by Gill, Richardson B.
Published in Abstracts of the papers communicated to the Royal Society of London (01.01.1843)