@misc{indiciaea214e7504643,
  title = {A balloon borne 19-GHz radiometer},
  author = {Boughn, S. P. and Cheng, E. S. and Cottingham, D. A. and Fixsen, D. J.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900035915},
  note = {Source identifier: 19900035915}
}