@misc{indiciaeb3794e582ea1,
  title = {Backscatter of Electromagnetic Waves from a Rough Layer},
  author = {Durrani, S. H. and Koepsel, W. W. and Kumar, V. R.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670008757},
  note = {Source identifier: 19670008757}
}