1. Arafura Resources Ltd. Press Release 18 August 2009 “China further tightens Rare Earth Production and Exports”. Australian Stock Exchange, Symbol: ARU.
2. Avalon Rare Metals Inc. President’s Letter 2009. Toronto Exchange, Symbol: AVL.
3. BBC News, September 8, 2010. “Boat collisions spark Japan-China diplomatic row”. http://www.bbc.com/news/world-asia-pacific-11225522 (accessed 11 Feb 2017).
4. Bradsher, Keith, 2009a. China Tightens Grip On Rare Minerals. The New York Times, 31 August 2009, page B1.
5. Bradsher, Keith, 2009b. Backpedaling, China Eases Proposal to Ban Exports of Some Vital Minerals. The New York Times, 3 September 2009, page B4.