1. Correlation between terra cotta figurines and pottery from the Valley of Mexico and source clays by activation analysis;Abascal,1974
2. Akademische Druck (Ed.), 1979. Codex Vaticanus A (Codex Ríos). Akademische Druck und Verlagsanstalt, Graz, Austria.
3. Genetic evidence supports the multiethnic character of Teopancazco, a neighborhood center of Teotihuacan, Mexico (AD 200–600);Álvarez-Sandoval;PLOS ONE,2015
4. Collapse, regeneration, and the origins of Tula and the Toltec state;Anderson,2016
5. Maya Salt Production and Trade;Andrews,1983