@misc{indiciae52e8a054360c,
  title = {Low-cost solar array project: Four absolute cavity radiometer (pyrheliometer) intercomparisons at New River, Arizona: Radiometer standards},
  author = {Estey, R. S. and Seaman, C. H.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820003562},
  note = {Source identifier: 19820003562}
}