@misc{indiciae67bd33b13496,
  title = {Design and analysis of a modular servoamplifier for fast-response electrohydraulic control systems},
  author = {Zeller, J. R.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690000737},
  note = {Source identifier: 19690000737}
}