Availability of rare-earth, yttrium, and related thorium oxides--market economy countries : a minerals availability appraisal /
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Kaituhi rangatōpū: | |
| Hōputu: | Pukapuka |
| Reo: | Ingarihi |
| I whakaputaina: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
1986.
|
| Rangatū: | Information circular (United States. Bureau of Mines) ;
9111. |
| Ngā marau: | |
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