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ChemGlobe: Rutherfordium - Electronic and thermal data along with an isotope table.
ChemicalElements.com: Rutherfordium - Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Rutherfordium - Atomic structure and table of nuclides.
It's Elemental: Rutherfordium - Basic physical and historical information.
LANL: Rutherfordium - Basic information, history, and isotopes.
Lenntech: Rutherfordium - Physical data and chemical properties.
Visual Elements: Rutherfordium - Physical information, key isotopes, and ionisation energies.
WebElements: Rutherfordium - Information on history and properties.
