@book { WienundderAnfangeinersozialenStadtplanung,
    title = "Wien und der Anfang einer sozialen Stadtplanung",
    author = "Diego {Caltana}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108097"
}