@misc{indiciae566084420c25,
  title = {A Simple, Velocity Dependent, Collision Probability Algorithm for Small Combined Hard Body Radii Close Approach Events},
  author = {Frisbee, Joe},
  year = {2018},
  url = {https://ntrs.nasa.gov/citations/20180008561},
  note = {Source identifier: 20180008561}
}