@Article{198817,
     author = "Bronisław Seyda",
     title = "Sympozjum poświęcone T. Billrothowi ",
     year =  1966,
     volume =  11,
     number =  3,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 317-318,
    }