✦ LIBER ✦
Investigation of the possibility of small-diameter rotary drilling in hard rocks (in German) : Tomek, M; Budirksy, S Sb Ved Pr Vys Sk Banske Ostrave Rada Strojni, V21, N1, 1975, P189–212
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 99 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0148-9062
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