@online{ timsrc, author = "Thiersch, Hans", title = "Vorlesung Theorie der Sozialpädagogik; 9. Stunde", publisher = "Universität Tübingen", year = "2006", month = "Nov", day = "16", url = "https://timms.uni-tuebingen.de:443/tp/UT_20061116_001_tsozpaed_0001", urldate = "2024-11-24" }