@Article{176241,
     author = "Mieczysław Subotowicz",
     title = "Kazimierz Siemienowicz (1650) and his contribution to the rocket science ",
     year =  1957-1958,
     volume =  3,
     number =  Specjalny,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 5-24,
    }