@book { AnalysederKohrenzvonMarkenmanagementundRelationshipMarketing,
    title = "Analyse der Kohärenz von Markenmanagement und Relationship Marketing",
    author = "Stefanie {Hofbeck}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832483944",
    url = "https://m.diplom.de/document/223582"
}