@book { EinWegzuMeisterEckhartsArmutspredigt,
    title = "Ein Weg zu Meister Eckharts Armutspredigt",
    author = "Cornelia {Boss-Pfister}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1091192"
}