Indium
Links
Visual Elements: Indium
http://www.chemsoc.org/viselements/pages/indium.html
Image, appearance, uses, physical information, and ionisation energies.
Radiochemistry of Indium
http://lib-www.lanl.gov/cgi-bin/getfile?rc000020.pdf
Full text of the monograph by Duane Neuman Sunderman (Battelle Memorial Institute, Columbus, Ohio) and Charles William Townley (Battelle Memorial Institute, Columbus, Ohio). [PDF]
It's Elemental: Indium
http://education.jlab.org/itselemental/ele049.html
Basic physical and historical information.
ChemicalElements.com: Indium
http://www.chemicalelements.com/elements/in.html
Basic information, atomic structure, and isotopes.
USGS Minerals Information: Indium
http://minerals.usgs.gov/minerals/pubs/commodity/indium/
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Wikipedia: Indium
http://www.wikipedia.org/wiki/Indium
Properties of the element, including its history, applications, and charateristics.
EnvironmentalChemistry.com: Indium
http://environmentalchemistry.com/yogi/periodic/In.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Indium
http://www.webelements.com/webelements/elements/text/In/key.html
Extensive information on history, uses, occurrence, compounds, and properties.
Lenntech: Indium
http://www.lenntech.com/Periodic-chart-elements/In-en.htm
Physical data, chemical properties, and health effects.