Boksenbaum, Martin William, Paul Tolstoy, Garman Harbottle, Kimberlin Jerome, and Mary Neivens. "Obsidian industries and cultural evolution in the Basin of Mexico before 500 BC." Journal of Field Archaeology 14/1 (1987): 65-75.

Boksenbaum, Martin William, Paul Tolstoy, Garman Harbottle, Kimberlin Jerome, and Mary Neivens. "Obsidian industries and cultural evolution in the Basin of Mexico before 500 BC." Journal of Field Archaeology 14/1 (1987): 65-75.