@book { Sciencesdelducation19e20esiclesErziehungswissenschaften1920Jahrhundert,
    title = "Science(s) de l’éducation 19e –20e  siècles / Erziehungswissenschaft(en) 19.–20. Jahrhundert",
    author = "Rita {Hofstetter} and Bernard {Schneuwly}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1092994"
}