@book { Kirchenreformvonunten,
    title = "Kirchenreform von unten",
    subtitle = "Gerhard Zerbolt von Zutphen und die Brüder vom gemeinsamen Leben",
    author = "Nikolaus {Staubach}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095103"
}