@article { AdelsburgenCastlesandFortificationsintheCarolingianandOttonianEmpires,
    title = "Adelsburgen, Castles, and Fortifications in the Carolingian and Ottonian Empires",
    subtitle = "Terminology, Epistemology, and Methodology",
    author = "David S. {Bachrach}",
    year = "2026",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    journal = "Mediaevistik",
    number = "1",
    volume = "39",
    doi = "10.3726/med.2026.01.01",
    url = "https://www.peterlang.com/document/1748898"
}