@misc{indiciae7fd0871cdfb0,
  title = {Irradiance calibration with solar diffuser},
  author = {Haring, Robert E. and Roeder, Herbert A. and Hartmann, Ulli G.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20080004274},
  note = {Source identifier: 20080004274}
}