@misc{indiciae63a7c421c9e7,
  title = {Intensity microphotometer based on the MF-4},
  author = {Bugayenko, L. A. and Skorik, K. YE.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670007490},
  note = {Source identifier: 19670007490}
}