@book { Loquiestrevelareverbumostensiomentis,
    title = "Loqui est revelare – verbum ostensio mentis",
    author = "Jan Bernd {Elpert}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094417"
}