Media
Semiconductor International, www.semiconductor.net
Compound Semiconductor, www.compoundsemiconductor.net
Compound Semiconductors Online, www.compoundsemi.com
Semiconductor Today www.semiconductor-today.com

Organizations
Environmental Protection Agency, www.epa.gov
SEMI, www.semi.org

Others
Sherwood Scientific, www.sherwood-scientific.com

Precious Metals Division
Platinum Metals Review http://www.platinummetalsreview.com