@misc{indiciae4206fdbb9c30,
  title = {Double window viewing chamber assembly},
  author = {Keller, V. W. and Owen, R. B. and Elkins, B. R. and White, W. T.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870004922},
  note = {Source identifier: 19870004922}
}