@misc{indiciae2da98999f6ab,
  title = {Engineering calculations for communications satellite systems planning},
  author = {Martin, C. H. and Gonsalvez, D. J. and Levis, C. A. and Wang, C. W.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840015594},
  note = {Source identifier: 19840015594}
}