@misc{indiciaebd0880d5b90c,
  title = {Real-time optical holographic tracking of multiple objects},
  author = {Chao, Tien-Hsin and Liu, Hua-Kuang},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890041007},
  note = {Source identifier: 19890041007}
}