@book {9783784123196, title = "Problemsoziologie", author = "Sidler, Nikolaus", isbn = "9783784123196", keywords = "Soziologie, Ausbildung", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783784123196", url = "https://content-select.com/de/portal/media/view/520df6d7-f12c-4ca1-9c22-5a1a2efc1343", publisher = "Lambertus Verlag", language = "ger", }