@misc{indiciaeb90f5d4365b2,
  title = {Radiometry in the submillimeter region using the interferometric modulator.},
  author = {Chang, W. S. C. and Williams, R. A.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19640027161},
  note = {Source identifier: 19640027161}
}