@book { GrostadtwerdenMetropolesein,
    title = "Großstadt werden! Metropole sein!",
    author = "Dagmar {Kostalova} and Erhard {Schütz}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01669-7",
    url = "https://www.peterlang.com/document/1047045"
}