The origins of two purportedly pre-Columbian Mexican crystal skullsDOI: info:10.1016/j.jas.2008.05.007v. 35No. 102751–2760
Sax, Margaret, Walsh, Jane M., Freestone, Ian, Rankin, Andrew H., and Meeks, Nigel D. 2008. "The origins of two purportedly pre-Columbian Mexican crystal skulls." Journal of Archaeological Science, 35, (10) 2751–2760. https://doi.org/10.1016/j.jas.2008.05.007.