@online{ timsrc, author = "Thiersch, Hans", title = "Vorlesung Theorie der Sozialpädagogik; 23. Stunde", publisher = "Universität Tübingen", year = "2007", month = "Jan", day = "18", url = "https://timms.uni-tuebingen.de:443/tp/UT_20070118_001_tsozpaed_0001", urldate = "2024-11-22" }