China's monopoly on rare earths [electronic resource] : implications for U.S. foreign and security policy : hearing before the Subcommittee on Asia and the Pacific of the Committee on Foreign Affairs, House of Representatives, One Hundred Twelfth Congress, first session, September 21, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011.