@book { HistoryofSchooling,
    title = "History of Schooling",
    author = "Carla {Aubry} and Johannes {Westberg Ph.D.}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04743-1",
    url = "https://www.peterlang.com/document/1046885"
}