804165 use of mechanized supports in mining a thick seam in prievidza coal and lignite mines (ULP) collieries (in Czech) : Pesl, M Uhli, V27, N7, July 1979, P299–305

• Publisher: Elsevier Science
• Year: 1980
• Tongue: English
• Weight: 98 KB
• Volume: 17
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(80)91258-9