@inproceedings{barra2007limitations,
  title={On the limitations of voice conversion techniques in emotion identification tasks},
  author={Barra, R. and Montero, JM and Macias-Guarasa, J. and Gutierrez-Arriola, J. and Ferreiros, J. and Pardo, JM},
  booktitle={Eighth Annual Conference of the International Speech Communication Association},
  year={2007}
}