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Use of ash to improve strata control in bord and pillar workings : Galvin, J M; Wagner, H In: Strata Mechanics (paper to the Symposium on Strata Mechanics, Newcastle upon Tyne, 5–7 April 1982)P264–270. Publ Amsterdam: Elsevier, 1982


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
109 KB
Volume
21
Category
Article
ISSN
0148-9062

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