1. Rare earth industry of China;Zhou;J Alloy Compd,1993
2. Rare earth elements as critical raw materials: focus on international markets and future strategies;Massari;Resour Policy,2013
3. Review of the world market of rare-earth metals Russian;Naumov;J Non-Ferr Met,2008
4. Rare earth element geochemistry of groundwater from a deep seated sandstone aquifer, northern Anhui province, China;Guia;Int J Min Sci Technol,2011
5. Distribution characteristic and geological significance of rare earth elements in Lopingian mudstone of Permian, Panxian county, Guizhou province;Shao;Int J Min Sci Technol,2011