Search for: [References = "Komornicki T., 2010, Flows of persons and goods across the Polish segment of the outer boundary of the European Union \- results of a research project, \[w\:\] European Union external and internal borders interactions and networks, EUROPA XXI, 20, s. 9\-29. https\:\/\/doi.org\/10.7163\/Eu21.2010.20.1"]

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