5Walker S. Uncontrolled fires in coal and coal wastes. IEA, Report CCC/16, 1999.
6Stracher G B. Taylor T P. Coal fires burning out of control around the world: thermodynamic recipe for environmental catastrophe. Int J of Coal Geol, 2004, 59: 7--17.
7Finkelman R B. Potential health impacts of burning coal beds and waste banks. Int J of Coal Geol, 2004, 59:19-24.
8Alfred E. Whitehouse, Asep A. S. Mulyana. Coal fires in Indonesia. International Journal of Coal Geology, 2004, (59) : 91--97.
