@misc{indiciaedc01e70faceb,
  title = {Making Optical Correctors by Diamond Turning},
  author = {Meinel, Aden B. and Meinel, Marjorie P. and Stacy, John E. and Saito, Theodore T. and Patterson, Steven R.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870000430},
  note = {Source identifier: 19870000430}
}