@misc{indiciae7250a3420a91,
  title = {Research Summary No. 36-8 for the Period February 1, 1961 to April 1, 1961},
  author = {W H Pickering},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19620006462},
  note = {Source identifier: 19620006462}
}