@book{ 0-1571850767, title = {Geologische Karte von Preußen und den Thüringischen Staaten}, author = {Keilhack, Konrad and Schmidt, Martin}, address = {Berlin}, publisher = {Geogr. lith. Inst. u. Steindr. v. Wilhelm Greve}, year = {1902}, language = {German}, note = {Lieferung 96}, note = {Gradabteilung 29, No. 12}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1571850767} }