@book{cot_1868.616, title = {Erläuterungen zur geognostischen Karte der Umgegend von Dresden}, author = {Cotta, Bernhard }, year = {1868}, publisher = {(Ernst Arnold) Dresden}, pages = {1–28}, url = {https://archive.org/stream/brokkumgegendvo00naumgoog#page/n5/} }