1. Influence of production capacity on shaping methane hazard in workings of longwall area;Cybulski,1999
2. Factors influencing increase in methane hazard in longwalls of high production capacity;Krause;Mining Survey,2005
3. Forecasting methane hazard in collieries;Kozłowski,1972
4. Ventilating collieries;Pawiński,1995
5. Dynamic forecast of absolute methane content in longwalls of high production capacity;Krause,2000