«The Clovis Lithic Assemblage from El Fin del Mundo, Sonora, Mexico: Evidence of Upland Campsite Localities». PaleoAmerica. A journal of early human migration and dispersal. Volume 4. Pages 76-81
"The Clovis Lithic Assemblage from El Fin del Mundo, Sonora, Mexico: Evidence of Upland Campsite Localities". PaleoAmerica. A journal of early human migration and dispersal. Volume 4. Pages 76-81