@misc{indiciae8569fd8e7d21,
  title = {Electroform replication of smooth mirrors from sapphire masters},
  author = {Altkorn, R. and Chang, J. and Haidle, R. and Takacs, P. Z. and Ulmer, M. P.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920073368},
  note = {Source identifier: 19920073368}
}