Mechanically bored shafts at Illinois coal mine : Colliery Guard, V226, N11, Nov 1978, P678–679

• Book ID: 100005723
• Publisher: Elsevier Science
• Year: 1979
• Tongue: English
• Weight: 100 KB
• Volume: 16
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(79)91402-5