@book { KunstrechterGelassenheit,
    title = "Kunst rechter Gelassenheit",
    subtitle = "Themen und Schwerpunkte von Heinrich Seuses Mystik",
    author = "Alois M. {Haas}",
    year = "1997",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1084387"
}