@book { GoldimGebirgeLiteraturQuickie,
    title = "Gold im Gebirge - Literatur-Quickie",
    subtitle = "Band 28",
    author = "Gunter {Gerlach}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955201975",
    url = "https://www.dotbooks.de/document/211173"
}