The air-permeable boundaries of deformed rocks in zone of influence of an extraction working in a thick steep seam : 6F, 5R. SOVIET MIN. SCI. V9, N2, MAR–APR. 1973, P134–138

✍ Scribed by A.G. Shadrin; V.A. Bonetskii; A.I. Dzheksembinova

• Publisher: Elsevier Science
• Year: 1974
• Tongue: English
• Weight: 113 KB
• Volume: 11
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(74)90547-6