@misc{indiciae66030221edfd,
  title = {Gradient design to optimize rate zonal separations.},
  author = {L Churchill and G Banker and C W Cotman},
  year = {1973},
  doi = {10.1016/0003-2697(73)90203-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4765633/},
  note = {Source identifier: 4765633}
}