@online{ timsrc, author = "Thiersch, Hans", title = "Vorlesung Theorie der Sozialpädagogik; 19. Stunde", publisher = "Universität Tübingen", year = "2006", month = "Dec", day = "21", url = "https://timms.uni-tuebingen.de:443/tp/UT_20061221_001_tsozpaed_0001", urldate = "2024-11-24" }