@misc{indiciaed7ce88ca2663,
  title = {Trapped individual ion at absolute zero temperature.},
  author = {N Yu and H Dehmelt and W Nagourney},
  year = {1989},
  doi = {10.1073/pnas.86.15.5671},
  url = {https://pubmed.ncbi.nlm.nih.gov/16594054/},
  note = {Source identifier: 16594054}
}