See also:

• Science: Chemistry: Elements: Lanthanides  (2)

• ChemGlobe: Samarium - Electronic, thermal, and steric data along with an isotope table.
• ChemicalElements.com: Samarium - Basic information, atomic structure, and isotopes table.
• EnvironmentalChemistry.com: Samarium - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Samarium - Basic physical and historical information.
• LANL: Samarium - Sources, properties, isotopes, and uses.
• Lenntech: Samarium - Physical data, chemical properties, health and environmental effects.
• Visual Elements: Samarium - Image, source, uses, physical information, and key isotopes.
• WebElements: Samarium - Extensive information on history, uses, occurrence, compounds, and properties.
• Wikipedia: Samarium - Properties of the element, including its history, applications, and characteristics.