@misc{indiciaeec3d034c8587,
  title = {Collision Avoidance Short Course: Conjunction Assessment Risk Analysis - NASA Robotic CARA: Theory - Part I:},
  author = {Hejduk, M. D. and Frigm, Ryan C.},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150018286},
  note = {Source identifier: 20150018286}
}