@misc{indiciae17b50b1145db,
  title = {The videometer - An instrument for quantitative measures on solar flares},
  author = {Reid, J. H. and Vorhaben, K. H.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710054306},
  note = {Source identifier: 19710054306}
}