@misc{indiciaec4725e13d847,
  title = {A NEBULOGRANULOMETER FOR STUDYING NATURAL AND ARTIFICIAL FOGS},
  author = {Arnulf, A. and Bricard, J. and Burtin, R. and Veret, C.},
  year = {1959},
  url = {https://ntrs.nasa.gov/citations/19630038256},
  note = {Source identifier: 19630038256}
}