@misc{indiciaeaff1056951a6,
  title = {A liquid-helium-cooled absolute reference cold load for long-wavelength radiometric calibration},
  author = {Bensadoun, Marc and Witebsky, Chris and Smoot, George and De Amici, Giovanni and Kogut, AL and Levin, Steve},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930053926},
  note = {Source identifier: 19930053926}
}