@misc{indiciae4c3ff729eab7,
  title = {Backscatter of electromagnetic waves from a rough layer.},
  author = {Durrani, S. and Koepsel, W. W. and Kumar, V. R.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660063334},
  note = {Source identifier: 19660063334}
}