International Journal of Coal Geology
International Journal of Coal Geology > 2002 > 53 > 1 > 1-25
International Journal of Coal Geology > 2002 > 53 > 1 > 55-64
International Journal of Coal Geology > 2002 > 53 > 1 > 43-54
International Journal of Coal Geology > 2002 > 53 > 1 > 27-42