@misc{indiciae29cd8b3948fb,
  title = {Digital Averaging Phasemeter for Heterodyne Interferometry},
  author = {Johnson, Donald and Spero, Robert and Shaklan, Stuart and Halverson, Peter and Kuhnert, Andreas},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20110020533},
  note = {Source identifier: 20110020533}
}