@book { Lapetitecoledanslcole,
    title = "La petite école dans l’école",
    subtitle = "Origine piétiste-morave de l’école maternelle française- Préface de Jean Houssaye",
    author = "Loïc {Chalmel} and Loïc {Chalmel}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098650"
}