颁布单位:[University of the Free State] |
颁布时间:2003 |
实施时间:2003 |
学科分类:[["Coal, mines, and, mining, --, South, Africa, --, Mpumalanga","Mines, and, mineral, resources, --, Environmental, aspects","Mine, water, --, South, Africa, --, Mpumalanga","Dissertation, (M.Sc., (Institute, for, Groundwater, Studies))--University, of, the, Free, State,, 2003"]]