@book { ReligiousnessintheLateMiddleAges,
    title = "Religiousness in the Late Middle Ages",
    author = "Stanislaw {Bylina}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15821",
    url = "https://www.peterlang.com/document/1068706"
}