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采煤区土地的复垦:英国和保加利亚SvetlaGentcheva-Kostadinova..1156Sofia,BulgariaMartinJ.Haigh.GeographyUnit.,OxfordOX30BP,UnitedKingdom.ElenaZ...
Reclamation of land in coal mining areas: Svetla Genentva-Kostadinova, UK and Bulgaria. . 1156 Sofia, BulgariaMartinJ. Haigh. GeographyUnit. , OxfordOX30BP, United Kingdom. ElenaZ ...