LEETARU, K. Mass book digitization: The deeper story of Google Books and the Open Content Alliance. First Monday, [S. l.], v. 13, n. 10, 2008. DOI: 10.5210/fm.v13i10.2101. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/2101. Acesso em: 13 aug. 2022.