Chemical analyses and physical properties of 12 coal samples from the Pocahontas field, Tazewell Country Virgina.../
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Washington : United States Government Printing Office,
1982
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| Teme: |
50
| Glavni avtor: | |
|---|---|
| Format: | |
| Izdano: |
Washington : United States Government Printing Office,
1982
|
| Teme: |