@misc{indiciaede8d10be75d6,
  title = {Traffic control system and method Patent},
  author = {Allen, W. K. and Hollenbaugh, R. C. and Laughlin, C. R., Jr.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710009812},
  note = {Source identifier: 19710009812}
}