@book { VolkGottesvomLeibChristiher,
    title = "«Volk Gottes vom Leib Christi her»",
    author = "Grzegorz {Jankowiak}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099307"
}