@Article{335026,
     author = "Jolanta Kurkiewicz, Oskar Knapik",
     title = "Population ageing patterns in Małopolskie voivodship by poviats until 2030 ",
     year =  2012,
     volume =  ,
     number =  18,
     journal =  Bulletin of Geography. Socio-Economic Series,
     pages =  s. 55-67,
    }