J. Adámek. Foundations of Coding. John Wiley & Sons, Inc., 1991. P. J. Cameron & J. H. van Lindt. Graphs, Codes and Designs. Cambridge University Press, 1980. J. H. Conway, N. J. Sloane & E. Bannai. Sphere Packings, Lattices, and Groups. 3rd edition, Springer, 1999. A. Helez & M. L. Villela. Códigos Corretores de Erros. IMPA, 2002. F. MacWilliams & N. Sloane. The Theory of Error-Correcting Codes. North-Holland Mathematical Library, Vol. 16, North-Holland, 1977. R. Roth. Introduction to Coding Theory. Cambridge University Press, 2006. J. H. van Lindt. Introduction to Coding Theory. 3rd edition, Springer, 1999. Handbook of Coding Theory, vol I, pp. 871-961. Elsevier, 1998.: