𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The mechanism of caving of longwall faces : J. MINES, METALS, FUELS, V22, N7, JULY, 1974, P189–201

✍ Scribed by T.N. Singh; B. Singh


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
107 KB
Volume
12
Category
Article
ISSN
0148-9062

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