@misc{WM_1903_7_1-2_a5,
     title = {Przyczynek do historyi bada\'n magnetyzmu ziemskiego w {Polsce}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = {58--61},
     publisher = {mathdoc},
     volume = {7},
     number = {1-2},
     year = {1903},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/WM_1903_7_1-2_a5/}
}