@misc{indiciae6960fdab9b20,
  title = {Speed effects on ball spinning torque},
  author = {Dietrich, M. W. and Townsend, D. P. and Zaretsky, E. V.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690031821},
  note = {Source identifier: 19690031821}
}