Cleavage of roof strata. One of the factors affecting outburst hazards of coal seams : In Russian. Ugol Ukrainy, V18, N6, June, 1974, P39–41 Shak A.F.

• Publisher: Elsevier Science
• Year: 1975
• Tongue: English
• Weight: 120 KB
• Volume: 12
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(75)90820-7