@book { FairedumondeunseulterritoirepostalTheWorldasaSinglePostalTerritory,
    title = "Faire du monde « un seul territoire postal » / The World as a ‘Single Postal Territory’",
    subtitle = "L’Union postale universelle dans l’histoire / The UPU’s role in history",
    author = "Léonard {Laborie} and Sébastien {Richez}",
    year = "2025",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1571099"
}