@Article{81935,
     author = "Ryszard J. Wieczorek",
     title = "Facts about 'Contrafacta' : Netherlandish-Italian Music in Saxo-Silesian Sources from the Late Fifteenth Century ",
     year =  2004,
     volume =  1,
     number =  ,
     journal =  Musicology Today,
     pages =  s. 16-37,
    }