@online{ timsrc, author = "Thiersch, Hans", title = "Vorlesung Theorie der Sozialpädagogik; 31. Stunde", publisher = "Universität Tübingen", year = "2007", month = "Feb", day = "15", url = "https://timms.uni-tuebingen.de:443/tp/UT_20070215_001_tsozpaed_0001", urldate = "2024-11-22" }