@book { IntegrativeundsektoraleAspektederStadtregionalsSystem,
    title = "Integrative und sektorale Aspekte der Stadtregion als System",
    author = "Dietmar {Scholich}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097302"
}