@book { EliminatingWasteAPrincipalAgentModelwithrespecttoHumanCapital,
    title = "Eliminating Waste: A Principal Agent Model with respect to Human Capital",
    author = "Stefan Georg {Hunger}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832490393",
    url = "https://m.diplom.de/document/224198"
}