@book{her_1897.595, title = {Erläuterungen zur geologischen Specialkarte des Königreichs Sachsen: Section Hinterhermsdorf-Daubitz, Blatt 86}, author = {Herrmann, Otto and Beck, Richard }, year = {1897}, publisher = {(Wilhelm Engelmann) Leipzig}, pages = {1–53}, url = {https://google.com/books?id=wrgMAAAAYAAJ&pg=RA6-PA43} } @book{her_1899.660, title = {Steinbruchindustrie und Steinbruchgeologie}, author = {Herrmann, Otto }, year = {1899}, publisher = {(Gebrüder Borntraeger) Berlin}, pages = {1–428}, url = {https://www.kreidefossilien.de/1879}, keywords = {herrmann,steinbruch,historie,industriegeschichte}, doi = {10.3931/e-rara-77118} } @article{gum_1867.1864, title = {Kurze Notiz über die Gliederung der sächsischen und bayerischen oberen Kreideschichten}, author = {Gümbel, Carl Wilhelm }, year = {1867}, journal = {Sitzungs-Berichte der Naturforschenden Gesellschaft ISIS in Dresden (Herrmann Schöpff) Dresden}, volume = {1867}, number = {4–6}, pages = {72–75}, url = {https://doi.org/10.3931/e-rara-74290}, doi = {10.3931/e-rara-74290} }