✦ LIBER ✦
How to successfully drill raise pilot holes and minimise deviation (in 2 parts) : Worden, E P World Min, V31, N8, July 1978, P42–45 (part 1), V31, N9, Aug 1978, P50–55 (part 2)
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 97 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0148-9062
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