@misc{indiciae26a11c9d89cd,
  title = {An update on the development of a line-focus refractive concentrator array},
  author = {Piszczor, Michael F. and Oneill, Mark J. and Fraas, Lewis M.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950014118},
  note = {Source identifier: 19950014118}
}