@article{bongard2010a,
  title={A Probabilistic Functional Crossover Operator for Genetic Programming},
  author={Joshua Bongard},
  journal={Proceedings of the 12th annual conference on Genetic and evolutionary computation},
  pages={925-932},
  journalpage={http://www.cs.uvm.edu/~jbongard/papers/2010_GECCO_Bongard1.pdf},
  year={2010},
  citations={}
}