@book { Lesdirecteursautravail,
    title = "Les directeurs au travail",
    author = "Monica {Gather Thurler} and Isabelle {Kolly Ottiger} and Philippe {Losego} and Olivier {Maulini}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1054919"
}