May 7, 2008
Resource Investor - Buying Into the Sierra Madres by Ben Abelson

May 30, 2007
People’s Daily Online - China increases export duties on rare metals

May 30, 2007
Cabot Microelectronics - Cabot  Microelectronics Announces a Major Breakthrough in Tungsten CMP Technology

May 11, 2005
Resource Investor - Tungsten Price Goes Parabolic by David DesLauriers

April 20, 2007
Resources Investor - China Watch (Out) by Jack Lifton                      

April 6, 2007
Resource Investor - China to Cut or Cancel Export Tax Rebates on Copper Products by David Harman

February 6, 2007
Nonowerk News - Intel, IBM will use dramatically different materials to build next generation of chips

February 1, 2006
Resource Investor - The Trouble with Tungsten by Jack Lifton

January 11, 2007
Resource Investor - Subsidies for Small Tungsten Miners by Jack Lifton 

December 20, 2006
Resource Investor - Part 2: Solutions to Tungsten Shortages by Jack Lifton

November 10, 2006
MarketWatch - China’s Stranglehold on Tungsten by Myra Saefong