@book { EntwicklungdesIndividuumsGegenstandderPdagogik,
    title = "Entwicklung des Individuums. Gegenstand der Pädagogik",
    author = "Dieter {Kirchhöfer}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01434-1",
    url = "https://www.peterlang.com/document/1047243"
}