NEELAMEGHAN, A.; SEETHARAMA, S. Colon Classification for Macro-Documents in Mathematics. Journal of Information and Knowledge, [S. l.], v. 10, n. 2, p. 266–296, 1973. DOI: 10.17821/srels/1973/v10i2/49324. Disponível em: https://srels.org/index.php/sjim/article/view/49324. Acesso em: 16 apr. 2025.