@book { LeproblmedelAlsaceLorrainevuparlespriodiques18711914DieelsasslothringischeFrageimSpiegelderZeitschriften18711914,
    title = "Le problème de l'Alsace-Lorraine vu par les périodiques (1871-1914)- Die elsass-lothringische Frage im Spiegel der Zeitschriften (1871-1914)",
    author = "Michel {Grunewald}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1087645"
}