@book { NovaActaParacelsica2021,
    title = "Nova Acta Paracelsica 20/21",
    subtitle = "Doppelnummer 20/21 (2006/2007)",
    author = "Pia {Holenstein Weidmann}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102610"
}