http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Seven rock art sites in Baja, California
by Clement W. Meighan [and others] ; edited by Clement W. Meighan and V. L. Pontoni.
Ballena Press publications on North American rock art ; no. 2