@book { ReiseninParksundGrten,
    title = "Reisen in Parks und Gärten",
    author = "Hubertus {Fischer} and Sigrid {Thielking} and Joachim {Wolschke-Bulmahn}",
    year = "2021",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1109301"
}