@misc{indiciaeb81f15c43215,
  title = {Quantum-enhanced measurements: beating the standard quantum limit.},
  author = {Vittorio Giovannetti and Seth Lloyd and Lorenzo Maccone},
  year = {2004},
  doi = {10.1126/science.1104149},
  url = {https://pubmed.ncbi.nlm.nih.gov/15550661/},
  note = {Source identifier: 15550661}
}