@misc{indiciae6cd8e021cef4,
  title = {Dynamics and control research applicable to Apollo extension systems},
  author = {Keckler, C. R. and Kurzhals, P. R. and Piland, W. M.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670004915},
  note = {Source identifier: 19670004915}
}