International Journal of Coal Geology
International Journal of Coal Geology > 2016 > 159 > C > 169-182
International Journal of Coal Geology > 2016 > 159 > C > 30-47
International Journal of Coal Geology > 2016 > 162 > C > 169-182
International Journal of Coal Geology > 2016 > 159 > C > 169-182
International Journal of Coal Geology > 2016 > 159 > C > 30-47
International Journal of Coal Geology > 2016 > 162 > C > 169-182