@book { FormungundUmwendungderSeele,
    title = "Formung und Umwendung der Seele",
    author = "Jana {Schultz}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11250",
    url = "https://www.peterlang.com/document/1110032"
}