@article{ponyge2grammaticalevolutioninpython,
  title = {PonyGE2: Grammatical Evolution in Python},
  author = {Michael Fenton and James McDermott and David Fagan and Stefan Forstenlechner and Michael O'Neill and Erik Hemberg},
  year = {2017},
  eprint = {1703.08535},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1703.08535v2},
}