@misc{indiciae506d5ee9c83c,
  title = {Pneumatic system for controlling and actuating pneumatic cyclic devices},
  author = {Charlton, K. W. and Vanarnam, D. E.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690012107},
  note = {Source identifier: 19690012107}
}