1. La caldera de La Catedral, sierra de Las Cruces, una caldera al norponiente de la Ciudad de México (resumen), reunión anual de la Unión Geofísica Mexicana;Aguirre Díaz;Puerto Vallarta, Jal., México. Geos,2006
2. Strontium in Ntrual and Waste Water and Ways of its Extraction;Aleinikov,1980
3. Standard methods for the Examination of Water and Wastewater,2005
4. Geochemistry, Groundwater and Pollution;Appelo,1993
5. Geochemistry, Groundwater and Pollution;Apelo,2005