@misc{indiciaeaed26d106c06,
  title = {A simplified high-resolution gradient analysis system.},
  author = {B Morton},
  year = {1973},
  doi = {10.1016/0003-2697(73)90045-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4698837/},
  note = {Source identifier: 4698837}
}