@book{ 0-1121654495, title = {Klockmann's Lehrbuch der Mineralogie}, author = {Klockmann, Friedrich and Ramdohr, Paul}, address = {Stuttgart}, publisher = {Enke}, year = {1942}, edition = {12., vollständig umgearb. Aufl.}, language = {German}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1121654495} }