@book { DieVerwertungvonGrundstckendurchdenBund,
    title = "Die Verwertung von Grundstücken durch den Bund",
    author = "Axel {Hänel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093901"
}