804166 present state of development of mechanized supports for mining thick seams with caving (in Czech) : Wala, T Uhli, V27, N7, July 1979, P306–312

• Publisher: Elsevier Science
• Year: 1980
• Tongue: English
• Weight: 98 KB
• Volume: 17
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(80)91259-0