@book { AllesgutLiteraturQuickie,
    title = "Alles gut - Literatur-Quickie",
    author = "Friedrich {Ani}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955201647",
    url = "https://m.dotbooks.de/document/209665"
}