@book {9783407295606, title = "Freie Unterrichtsmaterialien finden, rechtssicher einsetzen, selbst machen und teilen", author = "Muuß-Merholz, Jöran", isbn = "9783407295606", year = "2018", edition = "1", keywords = "Schule, Individualisierung, Open Access, Urheberrecht, Differenzierung, digital, Open Educational Resources, Creative Commons, CC-Lizenzen, OER, Kopieren, kostenlos", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407295606", url = "https://content-select.com/de/portal/media/view/5aa7b798-bc04-430d-8886-6955b0dd2d03", publisher = "Beltz Verlagsgruppe", language = "ger", }