@book { SilencesandImages,
    title = "Silences and Images",
    subtitle = "The Social History of the Classroom",
    author = "Ian {Grosvenor} and Martin {Lawn} and Kate {Rousmaniere}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1089085"
}