@book { DieFuldaerKatholikenundderErsteWeltkrieg,
    title = "Die Fuldaer Katholiken und der Erste Weltkrieg",
    author = "Oliver {Göbel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108081"
}