@article{
  author = {Savoji, M. H., Alipoor, Gh.},
  title = {Speech Coding Using Non-linear Prediction Based on Volterra Series Expansion},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2007},
  volume = {5},
  number = {1},
  pages = {3-11},
  doi = {}
}