@misc{indiciae309bcea7ff1b,
  title = {Density gradient sedimentation equilibrium.},
  author = {J E Hearst and C W Schmid},
  year = {1973},
  doi = {10.1016/s0076-6879(73)27008-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4773282/},
  note = {Source identifier: 4773282}
}