@misc{indiciaec3f75cac183d,
  title = {Optical Technology Apollo Extension System, Part I. Volume 1 /2 of 2/. Section 1 - Introduction. Section 2 - Experiment Development Final Technical Report},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670002726},
  note = {Source identifier: 19670002726}
}