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  1. 1
    Preparing rare-earth-silicon-iron-aluminum alloys /
    Published 1980
    Government Document Book
  2. 2
    Flotation of rare earths from bastnäsite ore /
    by Morrice, E. (Edward)
    Published 1982
    Government Document Book
  3. 3
    Characterization of the rare-earth mineralogy at the Pea Ridge Deposit, Missouri /
    by Whitten, C. W.
    Published 1990
    Government Document Book
  4. 4
    Rare-earth element- and yttrium-bearing pegmatite dikes near Dora Bay, southern Prince of Wales Island /
    by Barker, James C.
    Published 1990
    Government Document Microform Book
  5. 5
    Investigation of tin-rare earth element placers in the Ray River Watershed /
    by Barker, James C.
    Published 1991
    Government Document Microform Book
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