Milbrath. Cosmology, Calendars, and Horizon-Based Astronomy in Ancient Mesoamerica. University Press of Colorado.
Chicago-viite (17. p.)Milbrath. Cosmology, Calendars, and Horizon-Based Astronomy in Ancient Mesoamerica. University Press of Colorado.
MLA-viite (9. p.)Milbrath. Cosmology, Calendars, and Horizon-Based Astronomy in Ancient Mesoamerica. University Press of Colorado.
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