@misc{indiciaebc87ecbf3ce8,
  title = {Shaft-Motion-Analyzing System},
  author = {Randall, Richard L. and Collins, John J. and Coleman, Paul T. and Roschak, Edmund J.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930000319},
  note = {Source identifier: 19930000319}
}