The world coal-mining industry.
| Korporativní autor: | |
|---|---|
| Médium: | Kniha |
| Jazyk: | English |
| Vydáno: |
Nendeln
Kraus Reprint
1975.
|
| Edice: | Studies and reports. Series B (Economic conditions)
nos. 31-32 |
| Témata: |