@book { DieEntwicklungdesHomeshoppingimSystemdesEinzelhandels,
    title = "Die Entwicklung des Homeshopping im System des Einzelhandels",
    author = "Steffen {Böhm}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832434090",
    url = "https://m.diplom.de/document/219083"
}