@misc{indiciaeaa06524703de,
  title = {CO 2 -dependent oxygen evolution by envelope-free chloroplasts.},
  author = {D A Walker and A V McCormick and D M Stokes},
  year = {1971},
  doi = {10.1038/233346a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4940433/},
  note = {Source identifier: 4940433}
}