@misc{indiciaeb3215391eb51,
  title = {High sensitivity electron diffraction analysis. A study of divalent cation binding to purple membrane.},
  author = {A K Mitra and R M Stroud},
  year = {1990},
  doi = {10.1016/s0006-3495(90)82532-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2317552/},
  note = {Source identifier: 2317552}
}