@book { TraditionandInnovationinEducation,
    title = "Tradition and Innovation in Education",
    author = "Airi {Liimets} and Marika {Veisson} and Pertti {Kansanen} and Edgar {Krull}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06061-4",
    url = "https://www.peterlang.com/document/1049902"
}