Hook, David. “Use and Access of Grey Literature in Special Libraries May Be Hindered by Lack of Visibility and Cataloguing”. Evidence Based Library and Information Practice 1, no. 1 (March 15, 2006): 98–100. Accessed July 26, 2024. https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/24.