@book { tudesdiachroniquesdufranaisetperspectivessocitales, title = "Études diachroniques du français et perspectives sociétales", author = "Peter {Blumenthal} and Denis {Vigier}", year = "2018", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b11459", url = "https://www.peterlang.com/document/1110340" }