@misc{indiciae5b93a4f94d39,
  title = {Simple Cassegrain scanning system for infrared astronomy},
  author = {Apt, J. and Goody, R. and Mertz, L.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800050559},
  note = {Source identifier: 19800050559}
}