Prehistoric mining and utilization of some mineral raw materials in the Carpathian. Basin and in the Adjacent areas

3 Bácskay, E. 1985 Prehistoric mining and utilization of some mineral raw materials in the Carpathian. Basin and in the Adjacent areas Neogene mineral resources in the Carpathian basin - Budapest, 1985 VIIIth RCMNS congress - Hungary Budapest Ungarian geological survey 559-576 Carpazi, neogene, minerali