@ARTICLE{Banzhafa,
  author = {Banzhaf, Wolfang and Poli, Riccardo and Schoenauer, Marc and Fogarty,
	Terence C},
  title = {Genetic programming(Paris, 14-15 April 1998)},
  journal = {Lecture notes in computer science},
  publisher = {Springer-Verlag}
}