@book { LaCompagniegenevoisedesColoniessuissesdeStif18531956,
    title = "La Compagnie genevoise des Colonies suisses de Sétif (1853-1956)",
    subtitle = "Un cas de colonisation privée en Algérie",
    author = "Claude {Lützelschwab}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100661"
}