@book { WickhamSteed,
    title = "Wickham Steed",
    author = "Andre {Liebich}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b13426",
    url = "https://www.peterlang.com/document/1056558"
}