Longwall-shortwall mining state of the art
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
The American Institute of Mining Metallurgical and Petroleum Engineers
1981.
|
| Gaiak: |
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
The American Institute of Mining Metallurgical and Petroleum Engineers
1981.
|
| Gaiak: |