@book { DasVerbotdermonetrenStaatsfinanzierungArt123AEUV,
    title = "Das Verbot der monetären Staatsfinanzierung  (Art. 123 AEUV )",
    author = "Tim {Schöffski}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16911",
    url = "https://www.peterlang.com/document/1114338"
}