@misc{Kircher_Athanasius_(1602-1680)_Ars, author={Kircher, Athanasius (1602-1680)}, address={Herbipoli}, howpublished={online}, publisher={Zinck, Elias Michael (sen.). Druk.}, language={lat}, title={Ars magnesia : hoc est disquisitio bipartita empirica seu experimentalis, physico-mathematica de natura, viribus et prodigiosis effectibus magnetis, quam [...] tuebitur [...] Joannes Jacobus Sweigkhardus a Freihausen [...] / Praeside et authore [...] Athanasio Kircher [...].}, keywords={Kolekcje Piastowskie, 17 w., magnetyzm, fizyka}, }