@book{ 0-1113730552, title = {Lehrbuch der Mineralogie}, author = {Klockmann, Friedrich}, address = {Stuttgart}, publisher = {Enke}, year = {1922}, edition = {7. und 8., verb. und verm. Aufl.}, language = {German}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1113730552} }