@misc{indiciaefe6fe7c3e693,
  title = {A design chart for obtaining concentration gradients.},
  author = {R G Baker and D A Ellis and S N Taylor and B J Vokes},
  year = {1973},
  doi = {10.1007/bf02483699},
  url = {https://pubmed.ncbi.nlm.nih.gov/4729094/},
  note = {Source identifier: 4729094}
}