@book{Pinkwart2019b, author = "N. Pinkwart and J. Konert", title = "DELFI 2019 - Die 17. Fachtagung Bildungstechnologien", year = 2019, publisher = "GI Lecture Notes in Informatics", volume = 297, url = "https://dl.gi.de/bitstream/handle/20.500.12116/24440/DELFI2019_Tagungsband_komplett_Onlineversion.pdf", isbn = "978-3-88579-691-6" }