@book { MonetreAuenwirtschaft,
    title = "Monetäre Außenwirtschaft",
    author = "Karl- Heinz {Moritz} and Georg {Stadtmann}",
    year = "2011",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220870"
}