@misc{indiciae51a617117ed3,
  title = {Surface roughness effects on radiant transfer between surfaces},
  author = {Hering, R. G. and Shaffer, J. T. and Smith, T. F.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710034816},
  note = {Source identifier: 19710034816}
}