International Journal of Coal Geology
International Journal of Coal Geology > 2009 > 78 > 1 > 1-15
International Journal of Coal Geology > 2009 > 78 > 1 > 38-46
International Journal of Coal Geology > 2009 > 78 > 1 > 77-88
International Journal of Coal Geology > 2009 > 78 > 1 > 65-76
International Journal of Coal Geology > 2009 > 78 > 1 > 16-26
International Journal of Coal Geology > 2009 > 78 > 1 > 27-37
International Journal of Coal Geology > 2009 > 78 > 1 > 47-64