Course notes in mining engineering.
| Format: | Book | 
|---|---|
| Language: | English | 
| Published: | [s.l.
          s. n.]
    
        c19--. | 
| Subjects: | 
| Format: | Book | 
|---|---|
| Language: | English | 
| Published: | [s.l.
          s. n.]
    
        c19--. | 
| Subjects: |