@Article{231200,
     author = "Ignacy Zenon Siemion",
     title = "Mikołaja Kopernika stanowisko w sporze o naturę ognia ",
     year =  1968,
     volume =  13,
     number =  3,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 567-576,
    }