@Article{324390,
     author = "Bolesław Orłowski",
     title = "VIII Sympozjum ICOHTEC w Sofii ",
     year =  1980,
     volume =  25,
     number =  1,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 228-230,
    }