1. S. Shaw, S. Constantinides, Permanent Magnet: the Demand for Rare Earths.8th International Rare Earth Confenernce 2012.
2. S. Shaw, J. Chegwidden Global drivers for rare earth demand. Roskill Information Services 2012.
3. Recyling of rare earth:a critical review;Binnemans;Jornal of Cleaner Production,2013
4. New Energy and Industrial Technology Development Organization forcus NEDO 2011; No.40.
5. L. U. Lopes, M.A. Carvalho, R.S. Chaves, M.P. Trevisan, P.A. P. Wendhausen, Takiishi. H. Study of Carbon Influence on Magnetic Properties of Metal Injection Molding Nd-Fe-B based Magnets Eighth International Latin American Conference on Powder Technology, November 06 to 09, Costao do Santenho, Florioanopolis, SC, Brazil.