@book { LehrbuchderPatrologie,
    title = "Lehrbuch der Patrologie",
    subtitle = "4., aktualisierte und erweiterte Auflage",
    author = "Hubertus {Drobner}",
    year = "2025",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b21455",
    url = "https://www.peterlang.com/document/1398850"
}