@book { EuropaalseinClubvollerClubs,
    title = "Europa als ein Club voller Clubs",
    author = "Reto {Schemm-Gregory}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00349-9",
    url = "https://www.peterlang.com/document/1067387"
}