@Article{400207,
     author = "Andrzej Hajduk, Marian Owoc, Marceli Cogiel, Halina Koselak, Władysław Kubik",
     title = "Biuletyn katechetyczny",
     year =  1987,
     volume =  57,
     number =  1,
     journal =  Collectanea Theologica,
     pages =  s. 87-104,
    }