Search results for: V.K. Singh
International Journal of Coal Geology > 2016 > 162 > C > 183-192
International Journal of Coal Geology > 2011 > 86 > 1 > 73-78
International Journal of Coal Geology > 2016 > 162 > C > 183-192
International Journal of Coal Geology > 2011 > 86 > 1 > 73-78