@book { RegaloptimierungundSpacemanagementimHandel,
    title = "Regaloptimierung und Spacemanagement im Handel",
    author = "Peter {Wagner}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832429997",
    url = "https://m.diplom.de/document/218719"
}