@misc{indiciae89c0501de4f2,
  title = {Radar altimetry systems cost analysis},
  author = {Escoe, D. and Heuring, F. T. and Denman, W. F.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19830009535},
  note = {Source identifier: 19830009535}
}