Открытая разработка сложно структурных угольных пластов
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Undetermined |
| Published: |
М
Недра
1982
|
| Physical Description: | 143 |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Undetermined |
| Published: |
М
Недра
1982
|
| Physical Description: | 143 |
|---|