D.K..
Ancient Painting : A Zigzag on a Bison Skull May be North America's Oldest Art. - Oregon-XXU : The Leach Publishing Group, 1999. - p. 18 : il. - Bimestral - Vol. I, no. 6, (Nov./Dec. 1999) - Discovering Archaeology ; no. 6 . - Estados Unidos. The Leach Publishing Group. .
Research & News.
Art¡culo en inglés.
Ancient Painting : A Zigzag on a Bison Skull May be North America's Oldest Art. - Oregon-XXU : The Leach Publishing Group, 1999. - p. 18 : il. - Bimestral - Vol. I, no. 6, (Nov./Dec. 1999) - Discovering Archaeology ; no. 6 . - Estados Unidos. The Leach Publishing Group. .
Research & News.
Art¡culo en inglés.
