@misc{indiciaef2b3ecbbd81c,
  title = {Optical tools and techniques for aligning solar payloads with the SPARCS control system},
  author = {Thomas, N. L. and Chisel, D. M.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760052311},
  note = {Source identifier: 19760052311}
}