GRAY, E.; LANGLEY, A. Public Services and Electronic Resources: Perspectives from the Science and Engineering Libraries at Duke University. Issues in Science and Technology Librarianship, [S. l.], n. 35, 2002. DOI: 10.5062/F4F18WP7. Disponível em: https://journals.library.ualberta.ca/istl/index.php/istl/article/view/1901. Acesso em: 6 aug. 2021.