@misc{indiciae8535c21eda65,
  title = {Performance, systems designs, modifications, radiometry, operational problems, and corrective procedures associated with a 1.75 meter off-axis solar simulator},
  author = {Duncan, C. H.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690019078},
  note = {Source identifier: 19690019078}
}