@article{macías2005search,
  title={Search space reduction in automatic speech recognition by means of neural networks estimations},
  author={J. Macías, J.M. Montero, R. San Segundo, R. Barra},
  journal={GESTS Int'l Trans. Computer Science and Engr.},
  volumen={13},
  number={1},
  pages={75-83},
  year={2005}
}