@book { OrtepolitischerBildungimNetz,
    title = "Orte politischer Bildung im Netz",
    author = "Carolin {Hagl}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03952-8",
    url = "https://www.peterlang.com/document/1046107"
}