@Misc{BVMC:256089, author = {Kircher, Athanasius}, title = {Athanasii Kircheri ... Magnes siue De arte magnetica opus tripartitum...}, url = {https://www.cervantesvirtual.com/obra/athanasii-kircheri-magnes-siue-de-arte-magnetica-opus-tripartitum} }