@misc{indiciaece93796ae3e3,
  title = {Symposium perspective.},
  author = {W L Hewitt and L S Young},
  year = {1977},
  doi = {10.1016/0002-9343(77)90653-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/868899/},
  note = {Source identifier: 868899}
}