R. Mendes, F. de B. Voznika, J. Nievola, and A. Freitas. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 183. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
A. Lemieux, C. Gagné, and M. Parizeau. Eighth International Workshop on Frontiers in
Handwriting Recognition 2002 (IWFHR 2002), page 145--150. Niagara-on-the-Lake, Ontario, Canada, (August 2002)