DOLBY, J. L.; FORSYTH, V. J. An Analysis of Cost Factors in Maintaining and Updating Card Catalogs. Information Technology and Libraries, [S. l.], v. 2, n. 4, p. 218–241, 1969. DOI: 10.6017/ital.v2i4.4666. Disponível em: https://ital.corejournals.org/index.php/ital/article/view/4666. Acesso em: 5 may. 2024.