@book { ProfessionalisationofAdultEducators,
    title = "Professionalisation of Adult Educators",
    author = "Susanne {Lattke} and Wolfgang {Jütte}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04791-2",
    url = "https://www.peterlang.com/document/1048824"
}