@InProceedings{cst04,
  author = "Enrique Arias and Jesus Benet and  Pilar Bruis and Fernando Cuartero and Tomas Rojo",
  title = "Solution of the Dynamical Problem of PAntograph-Catenary Interaction: A High Performance Computing Approach",
  booktitle = "In Proceedings of the 7th International Conference on Computatuinal Structures Technologies (CST'04)",
  address =  {Lisbon (Portugal)},
  date =    {September},
  year=" 2004"
}