@book { PilgrimagetoMountAthos,
    title = "Pilgrimage to Mount Athos",
    author = "Graham {Speake}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/b20934",
    url = "https://www.peterlang.com/document/1347155"
}