Stability of parting rock between level contiguous coal pillar workings

✍ Scribed by C. Bandopadhyay; P.R. Sheorey; B. Singh; A.K. Ghose

• Publisher: Elsevier Science
• Year: 1988
• Tongue: English
• Weight: 951 KB
• Volume: 25
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(88)90007-1