@article{
  author = {Mohammadi, A.,  Khosravi, R.},
  title = {Design, Implementation and Measurement of Frequency Multipliers Using HEMT},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2004},
  volume = {2},
  number = {1},
  pages = {35-40},
  doi = {}
}