Lenntech: Californium - http://www.lenntech.com/Periodic-chart-elements/Cf-en.htm
Physical data, chemical properties, health and environmental effects. |
Visual Elements: Californium - http://www.chemsoc.org/viselements/pages/californium.html
General and physical information, uses, and key isotopes. |
WebElements: Californium - http://www.webelements.com/webelements/elements/text/Cf/key.html
Extensive information on history, uses, compounds, and properties. |