@misc{Toller2017, author = {Nina Toller}, title = {{Erstellen und Anwenden von QR-Codes}}, url = {https://docs.google.com/presentation/d/1tUV6xs-MNTSZD-gHyAQJdfwKkdjl54ncFPR5PFmRWeQ/edit#slide=id.g1b22d38d33_0_226}, urldate = {2017-03-08}, date = {2017-03-06}, annote = {https://tollerunterricht.com} }