@misc{indiciae1c16e63c9299,
  title = {A tuning scheme for proportional-and-derivative controllers},
  author = {Su, Renjeng and Liu, Wen-Huang and Xu, Wen-Li},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880047532},
  note = {Source identifier: 19880047532}
}