Tungsten
Links
Radiochemistry of Tungsten
http://lib-www.lanl.gov/cgi-bin/getfile?rc000011.pdf
Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF]
It's Elemental: Tungsten
http://education.jlab.org/itselemental/ele074.html
Basic physical and historical information.
ChemicalElements.com: Tungsten
http://www.chemicalelements.com/elements/w.html
Basic information, atomic structure, and isotopes.
USGS Minerals Information: Tungsten
http://minerals.usgs.gov/minerals/pubs/commodity/tungsten/
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Tungsten
http://www.scescape.net/~woods/elements/tungsten.html
Data tables and historic information.
Visual Elements: Tungsten
http://www.chemsoc.org/viselements/pages/tungsten.html
Image, general and physical information, source, uses, key isotopes, and ionisation energies.
EnvironmentalChemistry.com: Tungsten
http://environmentalchemistry.com/yogi/periodic/W.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Tungsten
http://www.webelements.com/webelements/elements/text/W/key.html
Extensive information on history, uses, occurrence, compounds, and properties.
Wikipedia: Tungsten
http://www.wikipedia.org/wiki/Tungsten
Properties of the element, including its history, applications, and charateristics.
ChinaTungsten Online
http://chinatungsten.com/chwurl-2-1.htm
Basic properties, compounds, brief history, information about production processes.
Lenntech: Tungsten
http://www.lenntech.com/Periodic-chart-elements/W-en.htm
Physical data, chemical properties, health and environmental effects.