CHEN, Ching-chih; KINGHAM, E. Robert. Subject Reference Lists Produced by Computer. Information Technology and Libraries, [S. l.], v. 1, n. 3, p. 178–197, 1968. DOI: 10.6017/ital.v1i3.2933. Disponível em: https://ital.corejournals.org/index.php/ital/article/view/2933. Acesso em: 3 may. 2024.