@book{ 0-1148979875, title = {Geologischer Führer durch Ostpreußen}, series = {Sammlung geologischer Führer}, author = {Kraus, Ernst}, address = {Berlin}, publisher = {Borntraeger}, year = {1925}, language = {German}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1148979875} }