Подземная разработка угольных месторождений в условиях вечной мерзлоты
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Undetermined |
| Published: |
М
Недра
1976
|
| Physical Description: | 96 |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Undetermined |
| Published: |
М
Недра
1976
|
| Physical Description: | 96 |
|---|