RAO, Paladugu V.; SZERENYI, B. Joseph. Booth Library On-Line Circulation System (BLOC). Information Technology and Libraries, [S. l.], v. 4, n. 2, p. 86–102, 1971. DOI: 10.6017/ital.v4i2.5585. Disponível em: https://ital.corejournals.org/index.php/ital/article/view/5585. Acesso em: 25 apr. 2024.