The Impact of Copyrighted Material on Large Language Models: A Norwegian Perspective. - Javier de la Rosa 001; Vladislav Mikhailov; Lemei Zhang; Freddy Wetjen; David Samuel; Peng Liu 025; Rolv-Arild Braaten; Petter Mæhlum; Magnus Breder Birkenes; Andrey Kutuzov; Tita Ranveig Enstad; Svein Arne Brygfjeld; et al. (CoRR, 2024)