NOT APPLICABLE. RLG’s Citadel Service - Two New Files. Issues in Science and Technology Librarianship, [S. l.], n. 6, p. lines 352–402, 1993. DOI: 10.29173/istl2560. Disponível em: https://journals.library.ualberta.ca/istl/index.php/istl/article/view/2560. Acesso em: 20 apr. 2026.