@Article{399521,
     author = "Johannes Willebrands, Marian Balwierz, Wacław Kuflewski, Edmund Piszcz, Władysław Kowalak",
     title = "Biuletyn misjologiczno-religioznawczy",
     year =  1986,
     volume =  56,
     number =  3,
     journal =  Collectanea Theologica,
     pages =  s. 139-153,
    }