@Article{2869,
     author = "Alicja Szajnowska-Wysocka",
     title = "Demographic changes in an industrial centre : (based on Sosnowiec as the example) ",
     year =  2005,
     volume =  ,
     number =  4,
     journal =  Bulletin of Geography. Socio-Economic Series,
     pages =  s. 191-200,
    }