Juan Luis Pena Chapa, Manuel Martin Castillo e Juan Carlos González Avila, The Performance of the Economy of the Yucatan Peninsula from 1970–1993[1]Arquivado 13 de setembro de 2011 en Wayback Machine.
Marcio L. Teixeira,The Impact of the Geologic History of the Yucatán Peninsula on the Present Day Aquifer,2004 [2]
Angelo Heilprin,Observations on the Flora of Northern Yucatan[3]