2Marc Humphries, " Rare Earth Elements: The Global Supply Chain", U.S. Congressional Research Service, September 30, 2010, p. 6, http ://www. fas. org/sgp/crs/natsec/R41347, pdf.(上网时间:2011年1月12日).
3James B. Hedrick, " Rare Earths", U.S. Geological Survey, Mineral Commodity Summaries, January 2010, p. 128.
6Paul Krugman, "Rare and Foolish", The New York Times, Oc- tober 18, 2010, p. A35.
7"China Output Tops Japan", The Wall Street Journal, August 12, 2010, http ://online. wsj. com/article/SB100014240527487033823 04575430602975014496. html. (上网时间:2010年12月2日).
8Gideon Rachman, "Think Again: American Decline", Foreign Policy, Jan/Feb. 2011, p. 60.
9"Marker Rare Earth Disputes Reveal Threat to US Economy and Foreign Policy", September 27, 2010, http://globalwarming. house, gov/mediacenter/pressreleases_2008? id = 0321.(上网时间:2011年1月20日).
10United States Government Accountability Office, " Rare Earth Materials in the Defense Supply Chain", April 14, 2010, http://www. gao. gov/new, items/d10617r. pdf.(上网时间:2011年1月10日).