@article{8724,
  author = {S. Jefferts and F. Walls},
  title = {A low noise cascode amplifier},
  year = {1987},
  journal = {Journal of  Research of the National Bureau of Standards},
  volume = {92},
  url = {http://tf.nist.gov/general/pdf/655.pdf},
  note = {JILA Pub. 3651},
}