Brief Citation: Huddart et al, Pleistocene Human and Animal Footprints (2008)
Full Citation: Huddart, David, Matthew R. Bennett, et al. "Preservation of Pleistocene Human and Animal Footprints: An Example from Toluquilla, Valsequillo Basin (Central Mexico)." Ichnos 15/3 & 4 (July 2008): 232-245.