@book{kle_1892.589, title = {Erläuterungen zur geologischen Specialkarte des Königreichs Sachsen: Section Stolpen, Blatt 68}, author = {Klemm, Gustav }, year = {1892}, publisher = {(Wilhelm Engelmann) Leipzig}, pages = {1–34}, url = {https://google.com/books?id=x8sMAAAAYAAJ&pg=RA6-PA63} }