@book { TheCosmosasGarden,
    title = "The Cosmos as Garden",
    author = "Jürgen {Hirschmann}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836631280",
    url = "https://m.diplom.de/document/226897"
}