@misc{indiciae4575d6ceb8ff,
  title = {A simple density gradient generator.},
  author = {H V Samis},
  year = {1966},
  doi = {10.1016/0003-2697(66)90043-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5961071/},
  note = {Source identifier: 5961071}
}