@book { TheSaxophoneinAdvertising,
    title = "The Saxophone in Advertising",
    author = "Axel {Eggert} and Melanie {Vockeroth}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095588"
}