@book { NetworksofStone,
    title = "Networks of Stone",
    author = "Helle {Hochscheid}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0713-9",
    url = "https://www.peterlang.com/document/1052665"
}