@Misc{BVMC:257411, author = {Agricola, Georg}, title = {Georgii Agricolae De re metallica libri XII : quibus officia, instrumenta, machinae, ac omnia denique ad metallicam spectantia... describuntur... ; Eiusdem De animantibus subterraneis liber...}, url = {https://www.cervantesvirtual.com/obra/georgii-agricolae-de-re-metallica-libri-xii-quibus-officia-instrumenta-machinae-ac-omnia-denique-ad-metallicam-spectantia-describuntur-eiusdem-de-animantibus-subterraneis-liber} }