@book { DieNaturmubewiesenwerden,
    title = "Die Natur muß bewiesen werden",
    author = "Renate {Wahsner} and Thomas {Posch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093430"
}