@misc{indiciae3e8e37249e51,
  title = {Computer aided design of spur gear teeth},
  author = {Huston, R. L. and Mavriplis, D. and Oswald, F. B.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900034076},
  note = {Source identifier: 19900034076}
}