𝔖 Bobbio Scriptorium
✦   LIBER   ✦

How to improve roof support. Practical rock mechanics for the miner, Part 6 : PARKER, J 25F. ENGNG. MIN. J. V175, N1, 1974, P90–95


Book ID
107895687
Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
101 KB
Volume
11
Category
Article
ISSN
0148-9062

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