See also:
Sites:
- ChemGlobe: Erbium
- Electronic, thermal, and steric data along with an isotope table.
- ChemicalElements.com: Erbium
- Basic information, atomic structure, and isotopes.
- EnvironmentalChemistry.com: Erbium
- Atomic structure, chemical and physical properties, and table of nuclides.
- It's Elemental: Erbium
- Basic physical and historical information.
- LANL: Erbium
- Basic information and history.
- Lenntech: Erbium
- Physical data, chemical properties, health and environmental effects.
- Visual Elements: Erbium
- Image, physical information, key isotopes, and ionisation energies.
- WebElements: Erbium
- Extensive information on history, uses, occurrence, compounds, and properties.
- Wikipedia: Erbium
- Properties of the element, including its history, applications, and characteristics.
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Last update: 7:59 PT, Wednesday, January 13, 2010
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