@Article{497227,
     author = "Barbara Mastalska-Cetera, Piotr Krajewski",
     title = "The Tourist Trails Development in the Protection Plans of the Lower Silesian Landscape Parks",
     year =  2015,
     volume =  ,
     number =  4 (32),
     journal =  Ekonomiczne Problemy Turystyki,
     pages =  s. 157-168,
    }