@book { PhilippeAlbertStapferUnebiographie,
    title = "Philippe Albert Stapfer- Une biographie",
    author = "Adolf {Rohr}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0352-0162-8",
    url = "https://www.peterlang.com/document/1043671"
}