1. Rare Earth Elements: Minerals, Mines, Magnets (and More)
2. Mineralogy and Geology of Rare Earths in China;Peishan,1995
3. Economic geology of rare earth elements;Mariano,1989
4. Rare Earth Mining and Exploration in North America
5. Rare-metal enriched peraluminous rhyolites in a continental arc, Sierra Blanca Area, Trans-Pecos Texas; chemical modification by vapor-phase crystallization;Price,1990