Samarium
Links
Visual Elements: Samarium
http://www.chemsoc.org/viselements/pages/samarium.html
Image, source, uses, physical information, and key isotopes.
ChemicalElements.com: Samarium
http://www.chemicalelements.com/elements/sm.html
Basic information, atomic structure, and isotopes table.
It's Elemental: Samarium
http://education.jlab.org/itselemental/ele062.html
Basic physical and historical information.
Samarium
http://www.scescape.net/~woods/elements/samarium.html
Data tables and historic information.
EnvironmentalChemistry.com: Samarium
http://environmentalchemistry.com/yogi/periodic/Sm.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Samarium
http://www.webelements.com/webelements/elements/text/Sm/key.html
Extensive information on history, uses, occurrence, compounds, and properties.
Lenntech: Samarium
http://www.lenntech.com/Periodic-chart-elements/Sm-en.htm
Physical data, chemical properties, health and environmental effects.