@book { MountAthos,
    title = "Mount Athos",
    subtitle = "Microcosm of the Christian East",
    author = "Graham {Speake} and Kallistos {Ware}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0233-2",
    url = "https://www.peterlang.com/document/1043882"
}