COLBERT, E. H., 1942.- The Association of man with extinct mammals in the Western Hemisphere. (Proc. Eighth American Sci. Congr. Anthropological ,Sciences pp. 17-20).- Washington, D. C., 1940.-
COLBERT, E. H., 1942.- The Association of man with extinct mammals in the Western Hemisphere. (Proc. Eighth American Sci. Congr. Anthropological ,Sciences pp. 17-20).- Washington, D. C., 1940.-