International Journal of Coal Geology
International Journal of Coal Geology > 2005 > 64 > 3-4 > 173-203
International Journal of Coal Geology > 2005 > 64 > 3-4 > 257-265
International Journal of Coal Geology > 2005 > 64 > 3-4 > 204-216
International Journal of Coal Geology > 2005 > 64 > 3-4 > 217-238
International Journal of Coal Geology > 2005 > 64 > 3-4 > 239-256