… between barium/cerium and tantalum, and posed questions about … gravity, electrostatic and magnetic separation—monazite is … of other metals, especially niobium. The rare earths are …
CITATION STYLE
Cotton, S. A. (2021). The Rare Earths, a Challenge to Mendeleev, No Less Today (pp. 259–301). https://doi.org/10.1007/978-3-030-67910-1_11
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