1. Technology of Rare Earth Metallurgy;Wenyuan,2012
2. Rare Earths;Xu,1995
3. Solvent effects on extraction of rare earth metals with HDEHP;Chai;Rare Met.,1998
4. The extraction of selected M(III) metals by bis 2-ethylhexyl phosphoric acid in n-heptane;Masin;J. Inorg. Nucl. Chem.,1976
5. Extraction of tetravalent metals with di(2-ethylhexyl) phosphoric acid—III cerium;Tedesco;J. Inorg. Nucl. Chem.,1967