@misc{indiciaee8cb92d47853,
  title = {A device for generating zero, linear, or exponential gradients or their combinations.},
  author = {S KATZ},
  year = {1963},
  doi = {10.1016/0003-2697(63)90052-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/14031332/},
  note = {Source identifier: 14031332}
}