@misc{indiciae5b5cb2d00eda,
  title = {Wide area detection system: Conceptual design study},
  author = {Hilbert, E. E. and Carl, C. and Goss, W. and Hansen, G. R. and Olsasky, M. J. and Johnston, A. R.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780017591},
  note = {Source identifier: 19780017591}
}