@misc{indiciae2deee0763061,
  title = {Stationary microvariation station with photoelectronic amplification},
  author = {Deniskin, N. A. and Lipskaya, N. V. and Shelting, V. F. and Yegorov, Yu. M.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19640001754},
  note = {Source identifier: 19640001754}
}