@misc{indiciaefa70df04b8ed,
  title = {A general computer program for the determination of radiant-interchange configuration and form factors - Confac I},
  author = {Toups, K. A.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660011709},
  note = {Source identifier: 19660011709}
}