@misc{indiciae5788b942c783,
  title = {Sub-millimeter wave frequency heterodyne detector system},
  author = {Siegel, Peter H. and Dengler, Robert and Mueller, Eric R.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100015621},
  note = {Source identifier: 20100015621}
}