Dixon, James E..
Coastal Navigators : The first Americans May Have Come by Water.
- Oregon-XXU : The Leach Publishing Group, 2000.
- p. 34-35 : il.
- Bimestral
- Vol. 2, no. 1, (Jan./Feb. 2000)
- Discovering Archaeology ; no. 1 .
- Estados Unidos. The Leach Publishing Group. .
Art¡culo en inglés.