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Cost-benefit analysis of computer-assisted mining through production and cost modeling : an update of IC 9281 /
I tiakina i:
Kaituhi matua: | |
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Kaituhi rangatōpū: | |
Hōputu: | Pukapuka |
Reo: | Ingarihi |
I whakaputaina: |
[Washington, D.C.] :
United States Dept. of the Interior, Bureau of Mines,
1993.
|
Rangatū: | Information circular (United Stated. Bureau of Mines) ;
9367. |
Ngā marau: | |
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