@book { SeigniorageinderEWU,
    title = "Seigniorage in der EWU",
    author = "Gerhard {Rösl}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13566",
    url = "https://www.peterlang.com/document/1068168"
}