@misc{indiciae09da542fa76a,
  title = {Design study of general aviation collision avoidance system},
  author = {Bates, M. R. and Moore, L. D. and Scott, W. V.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720013975},
  note = {Source identifier: 19720013975}
}