@misc{indiciae7a358b365933,
  title = {Noctilucent cloud sampling by a multi-experiment payload.},
  author = {Hallgren, D. S. and Schmalberger, D. C. and Hemenway, C. L.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730056612},
  note = {Source identifier: 19730056612}
}