Interaction of the AK extraction unit with the surrounding rocks during commercial trials in a steep seam

✍ Scribed by A. D. Orishchin; N. I. Yakovlev; A. K. Kovrizhin; P. N. Kurtukov

• Publisher: Springer
• Year: 1972
• Tongue: English
• Weight: 272 KB
• Volume: 8
• Category: Article
• ISSN: 1573-8736
• DOI: 10.1007/bf02497801