Early Maya Ritual Practices and Craft Production: Late Middle Preclassic Ritual Deposits Containing Obsidian Artifacts at Ceibal, Guatemala (Aoyama et al. 2017) Jessica MacLellan

https://www.academia.edu/34353385/Early_Maya_Ritual_Practices_and_Craft_Production_Late_Middle_Preclassic_Ritual_Deposits_Containing_Obsidian_Artifacts_at_Ceibal_Guatemala_Aoyama_et_al_2017_https://www.academia.edu/34353385/Early_Maya_Ritual_Practices_and_Craft_Production_Late_Middle_Preclassic_Ritual_Deposits_Containing_Obsidian_Artifacts_at_Ceibal_Guatemala_Aoyama_et_al_2017_