@book { GeldtheorieundGeldpolitik,
    title = "Geldtheorie und Geldpolitik",
    author = "Karl-Heinz {Moritz}",
    year = "2013",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220798"
}