@misc{indiciae5411b6758f66,
  title = {Rocket-borne liquid helium cooled telescope},
  author = {Fuhrmann, K. and Harwit, M. and Houck, J. R.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700079218},
  note = {Source identifier: 19700079218}
}