@misc{indiciae03bd2aaf28e7,
  title = {Threshold voltages for hyperbolic secant inversion pulses.},
  author = {G S Payne and M O Leach},
  doi = {10.1002/nbm.1940050307},
  url = {https://pubmed.ncbi.nlm.nih.gov/1642971/},
  note = {Source identifier: 1642971}
}