@book { HandelsmarkeninMultiChannelSystems,
    title = "Handelsmarken in Multi-Channel-Systems",
    subtitle = "Anforderungen und Gestaltungsmöglichkeiten",
    author = "Thorsten {Feßler}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832454777",
    url = "https://m.diplom.de/document/220789"
}