Erickson, Kristofer. “Defining the Public Domain in Economic Terms: Approaches and Consequences for Policy”. Etikk i praksis - Nordic Journal of Applied Ethics 10, no. 1 (May 9, 2016): 61-74. Accessed April 19, 2024. https://www.ntnu.no/ojs/index.php/etikk_i_praksis/article/view/1951.