International Journal of Coal Geology
International Journal of Coal Geology > 2007 > 70 > 1-3 > 35-52
International Journal of Coal Geology > 2007 > 70 > 4 > 292-304
International Journal of Coal Geology > 2007 > 71 > 1 > 103-114
International Journal of Coal Geology > 2007 > 71 > 4 > 527-541
International Journal of Coal Geology > 2007 > 71 > 4 > 488-504
International Journal of Coal Geology > 2007 > 71 > 4 > 554-567