@book { InnovativePlacesinEurope,
    title = "Innovative Places in Europe",
    author = "Julian Phillip {Christ}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01778-6",
    url = "https://www.peterlang.com/document/1067431"
}