@book { RobertBoulin,
    title = "Robert Boulin",
    author = "Hubert {Bonin} and Bernard {Lachaise} and Christophe-Luc {Robin}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1107531"
}