@misc{indiciaef719dca0c32f,
  title = {Estimating the time to collision with a rotating nonspherical object.},
  author = {R Gray and D Regan},
  year = {2000},
  doi = {10.1016/s0042-6989(99)00157-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/10768041/},
  note = {Source identifier: 10768041}
}