@article{discretedynamicalgeneticprogramminginxcs,
  title = {Discrete Dynamical Genetic Programming in XCS},
  author = {Richard J. Preen and Larry Bull},
  year = {2012},
  eprint = {1204.4200},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1204.4200v2},
}