@misc{indiciae3177c4a142e8,
  title = {A high-resolution system for gradient analysis.},
  author = {B E Morton and C A Hirsch},
  year = {1970},
  doi = {10.1016/0003-2697(70)90140-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/5443679/},
  note = {Source identifier: 5443679}
}