@article{AUPCG_2017_11_1_a19,
     author = {\.Zem{\l}a, Micha{\l}},
     title = {Klastry i ich rola w kooperacyjnym tworzeniu produkt\'ow turystycznych},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia Geographica},
     pages = {209--220},
     year = {2017},
     volume = {11},
     number = {1},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCG_2017_11_1_a19/}
}