@misc{indiciae4cf7c16d4931,
  title = {Drift in interference filters. I},
  author = {Title, A. M. and Pope, T. P. and Andelin, J. P., Jr.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750029324},
  note = {Source identifier: 19750029324}
}