@book { LehenPfandundAmt,
    title = "Lehen, Pfand und Amt",
    subtitle = "Neue Blickwinkel auf das Lehnswesen in Nord- und Mitteleuropa (12.–15. Jahrhundert)",
    author = "Oliver {Auge} and Frederic {Zangel}",
    year = "2026",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b23111",
    url = "https://www.peterlang.com/document/1618671"
}