@article{PMS_1924_1_1_a7,
     author = {Smoluchowski, Marian},
     title = {Electrification of air by {R\"ontgen} rays},
     journal = {Pisma Mariana Smoluchowskiego},
     pages = {52--55},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1924},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PMS_1924_1_1_a7/}
}