@misc{indiciae739b0399dae9,
  title = {Study of active vibration isolation systems for severe ground transportation environments},
  author = {Calcaterra, P. C. and Cavanaugh, R. D. and Schubert, D. W.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700003483},
  note = {Source identifier: 19700003483}
}