@Article{ authors = " Ana Monteiro, Vânia Carvalho, Sara Velho, Carlos Sousa", title = "The accuracy of the heat index to explain the excess of mortality and morbidity during heat waves - a case study in a Mediterranean climate. / Ana Monteiro, Vânia Carvalho, Sara Velho, Carlos Sousa.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "71 - 84" }

@Article{ authors = " Kadir Temurçin", title = "The development and structure of industry in the district of Bağcılar, Istanbul / Kadir Temurçin.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "95 - 111" }

@Article{ authors = " Krystian Heffner, Brygida Solga", title = "Features of a migration region - an analysis using the example of the Opolskie Voivodship / Krystian Heffner, Brygida Solga.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "43 - 58" }

@Article{ authors = " Jadwiga Biegańska", title = "Rural areas in Poland from a demographic perspective / Jadwiga Biegańska.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "7 - 22" }

@Article{ authors = " Zoya Alekseevna Trifonova", title = "Capital Region Demographics in the Republics of Russia / Zoya Alekseevna Trifonova.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "113 - 120" }

@Article{ authors = " Gábor Kozma, Attila Barta", title = "Geographical aspects of the changes of Hungary's deconcentrated state administration system between 1990 and 2012 ", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "59 - 69" }

@Article{ authors = " Stefania Środa-Murawska, Daniela Szymańska", title = "The concentration of the creative sector firms as a potential basis for the formation of creative clusters in Poland / Stefania Środa-Murawska, Daniela Szymańska.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "85 - 93" }

@Article{ authors = " Marián Halás, Veronika Zuskáčová", title = "Travelling to services in the daily urban system of Olomouc / Marián Halás, Veronika Zuskáčová.", journal = "Bulletin of Geography. Socio-Economic Series", issue = "2013 / Numer 20", pages = "23 - 41" }