@misc{indiciaef757f8546b94,
  title = {Sampling of noctilucent cloud particles.},
  author = {Hemenway, C. L. and Soberman, R. K. and Witt, G.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19650041183},
  note = {Source identifier: 19650041183}
}