@misc{indiciae343e58d911eb,
  title = {Design of Spur Gears for Improved Efficiency},
  author = {Anderson, N. E. and Loewenthal, S. H.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810008914},
  note = {Source identifier: 19810008914}
}