@book {9783497606795, title = "Tüchtigkeit", author = "Brezinka, Wolfgang ", isbn = "9783497606795", keywords = "Erziehung, PÄDAGOGIK, TÜCHTIGKEIT", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783497606795", url = "https://content-select.com/de/portal/media/view/5a96970e-9fc8-4624-bfe6-376cb0dd2d03", publisher = "Ernst Reinhardt Verlag", language = "ger", }