S. Elizalde

Neutron Activation Analysis of Obsidians from Quarries of the Central Quaternary Trans-Mexican Volcanic Axis

M. Jiménez-Reyes, D. Tenorio, J. Esparza-López, 2001 .

Provenance and use wears of Pre-Hispanic obsidian scrapers from Metztitlan, Hidalgo, Mexico

M. Jiménez-Reyes, D. Tenorio, G. Cassiano, 2002 .