@misc{indiciae1fa166fd986e,
  title = {A voltage controlled variable frequency generator for neurophysiology.},
  author = {W J Williams and E A Nash},
  year = {1968},
  doi = {10.1007/bf02474733},
  url = {https://pubmed.ncbi.nlm.nih.gov/5713307/},
  note = {Source identifier: 5713307}
}