Canvis

== Referències ==

== Referències ==

* [https://web.archive.org/web/20070207015229/http://pubs.usgs.gov/of/2004/1432/2004-1432.pdf Butterman, William C.; Brooks, William E.; Reese Jr., Robert G. (2004). «Mineral Commodity Profile: Cesium» (en inglés). United States Geological Survey]

* [https://web.archive.org/web/20070207015229/http://pubs.usgs.gov/of/2004/1432/2004-1432.pdf Butterman, William C.; Brooks, William E.; Reese Jr., Robert G. (2004). «Mineral Commodity Profile: Cesium» (en [[anglés]]). United States Geological Survey]

* [https://www.usgs.gov/centers/national-minerals-information-center/cesium-and-rubidium-statistics-and-information Polyak, Désirée E. «Cesio». U.S. Geological Survey]

* [https://www.usgs.gov/centers/national-minerals-information-center/cesium-and-rubidium-statistics-and-information Polyak, Désirée E. «Cesio». U.S. Geological Survey]

* [http://www.quimicaweb.net/tablaperiodica/paginas/cesio.htm Recio Miñarro, Joaquin. ''Cesio''. Químicaweb]

* [http://www.quimicaweb.net/tablaperiodica/paginas/cesio.htm Recio Miñarro, Joaquin. ''Cesio''. Químicaweb]