@book { BerichterstattungberdieSBahninderMnchnerTagespresse,
    title = "Berichterstattung über die S-Bahn in der Münchner Tagespresse",
    author = "Wolfgang {Leitner}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832431167",
    url = "https://m.diplom.de/document/218822"
}