LLULL, Harry L. From the Editor: ISTL on Gopher; Rethinking Reference. Issues in Science and Technology Librarianship, [S. l.], n. 6, p. lines 55–178, 1993. DOI: 10.29173/istl2565. Disponível em: https://journals.library.ualberta.ca/istl/index.php/istl/article/view/2565. Acesso em: 21 apr. 2026.