See also:

• Science: Chemistry: Elements: Lanthanides  (2)

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

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