@book { DieErhebungdesGemeinenPfennigsinFranken,
    title = "Die Erhebung des Gemeinen Pfennigs in Franken",
    author = "Anne {Riedel}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656401629",
    url = "https://www.hausarbeiten.de/document/212556"
}