@book { BeyondtheClassroom,
    title = "Beyond the Classroom",
    subtitle = "Studies on Pupils and Informal Schooling Processes in Modern Europe",
    author = "Anna {Larsson} and Björn {Norlin}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04554-3",
    url = "https://www.peterlang.com/document/1048618"
}