Tests on the influence of working protective seams on coal and gas outburst prevention in coal mines of the Ostrava-Karvina basin (in Polish) : Smid, M Przegl Gorn, V38, N6, June 1977, P255–261

• Publisher: Elsevier Science
• Year: 1978
• Tongue: English
• Weight: 114 KB
• Volume: 15
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(78)91776-x