@misc{indiciae21a828f6f5b6,
  title = {Mid-course multi-target tracking using continuous representation},
  author = {Zak, Michail and Toomarian, Nikzad},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930042802},
  note = {Source identifier: 19930042802}
}