Use of a column-supported artificial roof for rock pressure control in working thick steep coal seams by inclined slices : Kvasnikov, V F; Ryzhkov, V V Sov Min Sci, V12, N1, Jan-Feb 1976, P78–84

• Book ID: 107899351
• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 107 KB
• Volume: 14
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(77)90301-1