@article { JosephPHuffmanTheImperialCityofCologneFromRomanColonytoMedievalMetropolis19BC1125ADTheEarlyMedievalNorthAtlantic2AmsterdamAmsterdamUniversityPress2018280pp,
    title = "Joseph P. Huffman, The Imperial City of Cologne: From Roman Colony to Medieval Metropolis (19 B.C. – 1125 A.D.). The Early Medieval North Atlantic, 2. Amsterdam: Amsterdam University Press, 2018, 280 pp.",
    author = "Thomas {Farmer}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    journal = "Mediaevistik",
    number = "1",
    volume = "32",
    doi = "10.3726/med.2019.01.32",
    url = "https://www.peterlang.com/document/1272144"
}