Freire, Nuno, Gabriella Scipione, Markus Muhr, and Andreas Juffinger. “Supporting Rights Clearance for Digitisation Projects With the ARROW Service”. LIBER Quarterly: The Journal of the Association of European Research Libraries 22, no. 4 (February 21, 2013): 265–284. Accessed February 6, 2023. https://liberquarterly.eu/article/view/10684.