Kurze Klassifikation und Beschreibung der verschiedenen Gebirgsarten, von Abrahm Gottlob Werner (von 1749 - 1817), Bergakademie-Inspektor und Lehrer der Bergbauzunft und Minerologie in Freiberg, Faksimiledruck - Original im Besitz der Hochschulbücherei der Bergakademie Freiberg, Seitenzahl: 28
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