@book { BildungfrnachhaltigeEntwicklung,
    title = "Bildung für nachhaltige Entwicklung",
    author = "Norbert {Pütz} and Martin K. W. {Schweer} and Niels {Logemann}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02878-2",
    url = "https://www.peterlang.com/document/1047311"
}