@Conference{Barrio-et-al:2006,
    Author = "Barrio, I. and Romero, E. and Belanche, L.",
     Title = "{On the Selection of Hidden Neurons with Heuristic Search Strategies for Approximation}",
 Booktitle = "{European Symposium on Artificial Neural Networks}",
      Year = "2006",
     Pages = "389-394",
       Url = "Downloads/2006-esann.ps.gz",
}