@misc{indiciae515d9e44276c,
  title = {Imaging the membrane protein bacteriorhodopsin with the atomic force microscope.},
  author = {H J Butt and K H Downing and P K Hansma},
  year = {1990},
  doi = {10.1016/s0006-3495(90)82492-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2275963/},
  note = {Source identifier: 2275963}
}