@book { MusikderemotionaleWegzueinembesserenImage,
    title = "Musik, der emotionale Weg zu einem besseren Image?",
    author = "Mario {Humrich}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836610728",
    url = "https://m.diplom.de/document/225645"
}