International Journal of Coal Geology
International Journal of Coal Geology > 2006 > 65 > 1-2 > 35-50
International Journal of Coal Geology > 2006 > 65 > 3-4 > 223-234
International Journal of Coal Geology > 2006 > 67 > 4 > 249-258
International Journal of Coal Geology > 2006 > 65 > 1-2 > 35-50
International Journal of Coal Geology > 2006 > 65 > 3-4 > 223-234
International Journal of Coal Geology > 2006 > 67 > 4 > 249-258