@misc{indiciae10a1adbeadea,
  title = {A hybrid servo system for adjustable, linear scanning.},
  author = {J A Schwind and E A Hinz and G L Fisher},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4829825/},
  note = {Source identifier: 4829825}
}