HOW, G. A.; LEONG, K. K. The construction of a 4EC-AUED code. Tamkang Journal of Mathematics, [S. l.], v. 36, n. 1, p. 17–31, 2005. DOI: 10.5556/j.tkjm.36.2005.131. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/131. Acesso em: 5 may. 2024.