@misc{indiciae1288e23fa943,
  title = {Tracking Virtual Trajectories},
  author = {Stone, Leland S. and Beutter, Brent R. and Lorenceau, Jean D. and Null, Cynthia H.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20020040901},
  note = {Source identifier: 20020040901}
}