1. Principles of nonmetallic mineral flotation;Aplan,1962
2. The processing of rare earth minerals;Aplan,1988
3. Froth flotation of monazite and xenotime;Cheng;Minerals Engineering,1993
4. Beneficiation of rare earth oxide minerals;Ferron,1991
5. The role of the hydrocarbon chain in anionic flotation of calcite;Fuerstenau,1966