@book { DasStreikverbotfrBeamte,
    title = "Das Streikverbot für Beamte",
    author = "Fabian {Ernst}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13803",
    url = "https://www.peterlang.com/document/1113451"
}