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ChemicalElements.com: Erbium -
Basic information, atomic structure, and isotopes.
http://www.chemicalelements.com/elements/er.html ChemGlobe: Erbium -
Electronic, thermal, and steric data along with an isotope table.
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/68.html EnvironmentalChemistry.com: Erbium -
Atomic structure, chemical and physical properties, and table of nuclides.
http://environmentalchemistry.com/yogi/periodic/Er.html Lenntech: Erbium -
Physical data, chemical properties, health and environmental effects.
http://www.lenntech.com/Periodic-chart-elements/Er-en.htm WebElements: Erbium -
Extensive information on history, uses, occurrence, compounds, and properties.
http://www.webelements.com/webelements/elements/text/Er/key.html Visual Elements: Erbium -
Image, physical information, key isotopes, and ionisation energies.
http://www.chemsoc.org/viselements/pages/erbium.html LANL: Erbium -
Basic information and history.
http://periodic.lanl.gov/elements/68.html It's Elemental: Erbium -
Basic physical and historical information.
http://education.jlab.org/itselemental/ele068.html Wikipedia: Erbium -
Properties of the element, including its history, applications, and characteristics.
http://en.wikipedia.org/wiki/Erbium
Debt Loans - Hotels in Britian - Free Ringtones - Best Credit Cards - Loans--BEGIN VALIDATION CODE--
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