@book { BewegungimRaumRauminBewegung,
    title = "Bewegung im Raum – Raum in Bewegung",
    author = "Bernhard {Friedrich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106900"
}