@book { ComparativeadvertisingandpriceImplementationofDirective9755ECinGermanyandEnglandcompared,
    title = "Comparative advertising and price: Implementation of Directive 97/55/EC in Germany and England compared",
    author = "Leonie {Marder}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832483715",
    url = "https://m.diplom.de/document/223561"
}