Obsidian sourcing and dynamic trade patterns at Izapa, Chiapas, Mexico: 100 BCE–400 CEDOI: info:10.1016/j.jasrep.2018.06.002v. 20634–646
Mendelsohn, Rebecca R. 2018. "Obsidian sourcing and dynamic trade patterns at Izapa, Chiapas, Mexico: 100 BCE–400 CE." Journal of Archaeological Science: Reports, 20 634–646. https://doi.org/10.1016/j.jasrep.2018.06.002.