Tewell, Eamon C. “Increased Size of E-Book Collection Positively Impacts Usage But May Reach Critical Mass”. Evidence Based Library and Information Practice 8, no. 3 (September 10, 2013): 61–63. Accessed September 26, 2024. https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/19156.