Britannica Nobel Prizes: Californium
Overview and basic data.
Californium
Data tables and historic information.
ChemicalElements.com: Californium
Basic information, atomic structure, and isotopes table.
EnvironmentalChemistry.com: Californium
Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Californium
Basic physical and historical information.
Lenntech: Californium
Physical data, chemical properties, health and environmental effects.
Visual Elements: Californium
General and physical information, uses, and key isotopes.
WebElements: Californium
Extensive information on history, uses, compounds, and properties.