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  See also:


http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/59.html
» ChemGlobe: Praseodymium - Electronic, thermal, and steric data along with an isotope table.

http://www.chemicalelements.com/elements/pr.html
» ChemicalElements.com: Praseodymium - Basic information, atomic structure, and isotopes.

http://environmentalchemistry.com/yogi/periodic/Pr.html
» EnvironmentalChemistry.com: Praseodymium - Atomic structure, chemical and physical properties, and table of nuclides.

http://education.jlab.org/itselemental/ele059.html
» It's Elemental: Praseodymium - Basic physical and historical information.

http://periodic.lanl.gov/elements/59.html
» LANL: Praseodymium - History, uses, production, and properties.

http://www.lenntech.com/Periodic-chart-elements/Pr-en.htm
» Lenntech: Praseodymium - Physical data, chemical properties, health and environmental effects.

http://www.chemsoc.org/viselements/pages/praseodymium.html
» Visual Elements: Praseodymium - Image, source, uses, physical information, and key isotopes.

http://www.webelements.com/webelements/elements/text/Pr/key.html
» WebElements: Praseodymium - Extensive information on history, uses, occurrence, compounds, and properties.

http://en.wikipedia.org/wiki/Praseodymium
» Wikipedia: Praseodymium - Properties of the element, including its history, applications, and characteristics.


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