@misc{indiciaec9ee1264b20e,
  title = {A coded tracking telemetry system},
  author = {P.W. Howey and W.S. Seegar and M.R. Fuller and K. Titus},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/5210414},
  note = {Source identifier: 5210414}
}