@book { Lducationnouvelleentrescienceetmilitance, title = "L’Éducation nouvelle entre science et militance", author = "Béatrice {Haenggeli-Jenni}", year = "2017", publisher = "Peter Lang Verlag", address = "Lausanne, Switzerland", doi = "10.3726/b11334", url = "https://www.peterlang.com/document/1063900" }