@Article{385824,
     author = "Urszula Wich",
     title = "Wprowadzenie",
     year =  2009,
     volume =  43,
     number =  ,
     journal =  Annales Universitatis Mariae Curie-Skłodowska. Sectio H, Oeconomia,
     pages =  s. 9-10,
    }