Cuadro C9
Benz, B. F. 2001 Archaeological evidence of teosinte domestication from Guilá Naquitz, Oaxaca. Proceedings of the National Academy of Sciences, USA 98(4):2104-2106.
Piperno, D. R. and K. V. Flannery 2001 The earliest archaeological maize (Zea mays L.) from Highland Mexico: New accelerator mass spectrometry dates and their implications. Proceedings of the National Academy of Sciences, USA 98(4):2101-2103.