@article{AUPCG_2015_9_1_a4,
     author = {Studia Geographica, Annales},
     title = {Introduction},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia Geographica},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPCG_2015_9_1_a4/}
}