@misc{indiciae85ca80aa5603,
  title = {A broadband interferometer.},
  author = {Cooper, G. R. and Mcgillem, C. D. and Waltman, W.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660045336},
  note = {Source identifier: 19660045336}
}