@book { DieKirchederArmeninNicaragua,
    title = "Die Kirche der Armen in Nicaragua",
    author = "Rafael {Aragón} and Eberhard {Löschcke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1083478"
}