@book { SchutzvonDienstleistungsinnovationengegenImitation,
    title = "Schutz von Dienstleistungsinnovationen gegen Imitation",
    author = "Raffaela {David}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095814"
}