@book { NaturKunstundGeschichtederFreiheit,
    title = "Natur, Kunst und Geschichte der Freiheit",
    author = "Juichi {Matsuyama} and Hans Jörg {Sandkühler}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089953"
}