@book {9783946017455, title = "Hartmut von Hentig ? Ein Essay zu Leben und Werk", isbn = "9783946017455", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783946017455", url = "https://content-select.com/de/portal/media/view/63f9d716-3b7c-45b7-8c83-4f96ac1b000f", publisher = "UVW Webler", }