@misc{indiciaee33ea3e249a0,
  title = {Designing More-Efficient Spur Gears},
  author = {Loewenthal, S. H. and Anderson, N. E.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19830000662},
  note = {Source identifier: 19830000662}
}