1. Imagined Communities: Reflections on the Origins and Spread of Nationalism;Anderson,1991
2. The Evolution of Religion: How Cognitive By-Products, Adaptive Learning Heuristics, Ritual Displays, and Group Competition Generate Deep Commitments to Prosocial Religions;Atran;Biol. Theory,2010
3. Skywatchers: A Revised and Updated Version of Skywatchers of Ancient Mexico;Aveni,2001
4. Wuk Tsuk and Oxlahun Tsuk: Naranjo and Tikal in the Late Classic;Beliaev,2000
5. Beliaev, D., Safronov, A., 2009. Saktzi, Ake, and, Xukalnaah: Reinterpreting the Political Geography of the Upper Usumasinta Region [WWW Document]. URL https://www.academia.edu/7982378/Saktzi_Ake_and_Xukalnaah_Reinterpreting_the_Political_Geography_of_the_Upper_Usumasinta_Region_with_Alexander_Safronov_.